CVE-2021-46972 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2021-46972 Interim 1 10 2025-03-22T00:55:01Z current 2024-03-01T00:38:51Z 2025-03-22T00:55:01Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2021-46972 In the Linux kernel, the following vulnerability has been resolved: ovl: fix leaked dentry Since commit 6815f479ca90 ("ovl: use only uppermetacopy state in ovl_lookup()"), overlayfs doesn't put temporary dentry when there is a metacopy error, which leads to dentry leaks when shutting down the related superblock: overlayfs: refusing to follow metacopy origin for (/file0) ... BUG: Dentry (____ptrval____){i=3f33,n=file3} still in use (1) [unmount of overlay overlay] ... WARNING: CPU: 1 PID: 432 at umount_check.cold+0x107/0x14d CPU: 1 PID: 432 Comm: unmount-overlay Not tainted 5.12.0-rc5 #1 ... RIP: 0010:umount_check.cold+0x107/0x14d ... Call Trace: d_walk+0x28c/0x950 ? dentry_lru_isolate+0x2b0/0x2b0 ? __kasan_slab_free+0x12/0x20 do_one_tree+0x33/0x60 shrink_dcache_for_umount+0x78/0x1d0 generic_shutdown_super+0x70/0x440 kill_anon_super+0x3e/0x70 deactivate_locked_super+0xc4/0x160 deactivate_super+0xfa/0x140 cleanup_mnt+0x22e/0x370 __cleanup_mnt+0x1a/0x30 task_work_run+0x139/0x210 do_exit+0xb0c/0x2820 ? __kasan_check_read+0x1d/0x30 ? find_held_lock+0x35/0x160 ? lock_release+0x1b6/0x660 ? mm_update_next_owner+0xa20/0xa20 ? reacquire_held_locks+0x3f0/0x3f0 ? __sanitizer_cov_trace_const_cmp4+0x22/0x30 do_group_exit+0x135/0x380 __do_sys_exit_group.isra.0+0x20/0x20 __x64_sys_exit_group+0x3c/0x50 do_syscall_64+0x45/0x70 entry_SYSCALL_64_after_hwframe+0x44/0xae ... VFS: Busy inodes after unmount of overlay. Self-destruct in 5 seconds. Have a nice day... This fix has been tested with a syzkaller reproducer. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Enterprise Storage 7.1 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Liberty Linux 8 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Micro 5.0 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 12 SP5 SUSE Real Time Module 15 SP5 SUSE Linux Enterprise Server 11 SP4 LTSS SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Server 15 SP2-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Server 15 SP3-LTSS SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Server 15 SP4-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Server 15-LTSS SUSE Linux Enterprise Server Teradata 12 SP3 SUSE Linux Enterprise Server Teradata 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Manager Proxy 4.3 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Manager Retail Branch Server 4.3 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP3 SUSE Linux Enterprise Module for Public Cloud 15 SP4 SUSE Manager Server 4.3 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9 bpftool-4.18.0-553.8.1.el8_10 kernel-4.18.0-553.8.1.el8_10 kernel-abi-stablelists-4.18.0-553.8.1.el8_10 kernel-core-4.18.0-553.8.1.el8_10 kernel-cross-headers-4.18.0-553.8.1.el8_10 kernel-debug-4.18.0-553.8.1.el8_10 kernel-debug-core-4.18.0-553.8.1.el8_10 kernel-debug-devel-4.18.0-553.8.1.el8_10 kernel-debug-modules-4.18.0-553.8.1.el8_10 kernel-debug-modules-extra-4.18.0-553.8.1.el8_10 kernel-default kernel-default-base kernel-default-devel kernel-default-man kernel-devel kernel-devel-4.18.0-553.8.1.el8_10 kernel-devel-azure kernel-devel-rt kernel-doc-4.18.0-553.8.1.el8_10 kernel-headers-4.18.0-553.8.1.el8_10 kernel-macros kernel-modules-4.18.0-553.8.1.el8_10 kernel-modules-extra-4.18.0-553.8.1.el8_10 kernel-rt kernel-source kernel-source-azure kernel-source-rt kernel-tools-4.18.0-553.8.1.el8_10 kernel-tools-libs-4.18.0-553.8.1.el8_10 kernel-tools-libs-devel-4.18.0-553.8.1.el8_10 perf-4.18.0-553.8.1.el8_10 python3-perf-4.18.0-553.8.1.el8_10 reiserfs-kmp-default bpftool-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-abi-stablelists-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-core-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-cross-headers-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-debug-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-debug-core-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-debug-devel-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-debug-modules-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-debug-modules-extra-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-devel-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-doc-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-headers-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-modules-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-modules-extra-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-tools-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-tools-libs-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-tools-libs-devel-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 perf-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 python3-perf-4.18.0-553.8.1.el8_10 as a component of SUSE Liberty Linux 8 kernel-default as a component of SUSE Enterprise Storage 7.1 kernel-default-devel as a component of SUSE Enterprise Storage 7.1 reiserfs-kmp-default as a component of SUSE Enterprise Storage 7.1 kernel-devel as a component of SUSE Enterprise Storage 7.1 kernel-macros as a component of SUSE Enterprise Storage 7.1 kernel-source as a component of SUSE Enterprise Storage 7.1 kernel-default as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Micro 5.0 kernel-default as a component of SUSE Linux Enterprise Micro 5.1 kernel-rt as a component of SUSE Linux Enterprise Micro 5.1 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.1 kernel-default as a component of SUSE Linux Enterprise Micro 5.2 kernel-rt as a component of SUSE Linux Enterprise Micro 5.2 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.2 kernel-default as a component of SUSE Linux Enterprise Micro 5.3 kernel-rt as a component of SUSE Linux Enterprise Micro 5.3 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.3 kernel-default as a component of SUSE Linux Enterprise Micro 5.4 kernel-rt as a component of SUSE Linux Enterprise Micro 5.4 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.4 kernel-devel-rt as a component of SUSE Linux Enterprise Micro 5.5 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.5 kernel-default as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-macros as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default as a component of SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source as a component of SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP4 kernel-devel-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-devel-rt as a component of SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt as a component of SUSE Linux Enterprise Real Time 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source as a component of SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-base as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-devel as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-source as a component of SUSE Linux Enterprise Server 12 SP2-LTSS kernel-default as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-base as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-devel as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-man as a component of SUSE Linux Enterprise Server 12 SP5 kernel-devel as a component of SUSE Linux Enterprise Server 12 SP5 kernel-macros as a component of SUSE Linux Enterprise Server 12 SP5 kernel-source as a component of SUSE Linux Enterprise Server 12 SP5 kernel-devel-azure as a component of SUSE Linux Enterprise Server 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 15 SP1-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP2-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP3-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP4-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 15-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default as a component of SUSE Linux Enterprise Server Teradata 12 SP3 kernel-source as a component of SUSE Linux Enterprise Server Teradata 12 SP3 kernel-default as a component of SUSE Linux Enterprise Server Teradata 12 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise Server Teradata 12 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default-base as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default-base as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default as a component of SUSE Manager Proxy 4.3 kernel-default-devel as a component of SUSE Manager Proxy 4.3 kernel-devel as a component of SUSE Manager Proxy 4.3 kernel-macros as a component of SUSE Manager Proxy 4.3 kernel-source as a component of SUSE Manager Proxy 4.3 kernel-default as a component of SUSE Manager Retail Branch Server 4.3 kernel-default-devel as a component of SUSE Manager Retail Branch Server 4.3 kernel-devel as a component of SUSE Manager Retail Branch Server 4.3 kernel-macros as a component of SUSE Manager Retail Branch Server 4.3 kernel-source as a component of SUSE Manager Retail Branch Server 4.3 kernel-default as a component of SUSE Manager Server 4.3 kernel-default-devel as a component of SUSE Manager Server 4.3 kernel-devel as a component of SUSE Manager Server 4.3 kernel-macros as a component of SUSE Manager Server 4.3 kernel-source as a component of SUSE Manager Server 4.3 kernel-default as a component of SUSE OpenStack Cloud 9 kernel-default-base as a component of SUSE OpenStack Cloud 9 kernel-default-devel as a component of SUSE OpenStack Cloud 9 kernel-devel as a component of SUSE OpenStack Cloud 9 kernel-macros as a component of SUSE OpenStack Cloud 9 kernel-source as a component of SUSE OpenStack Cloud 9 kernel-default as a component of SUSE OpenStack Cloud Crowbar 9 kernel-default-base as a component of SUSE OpenStack Cloud Crowbar 9 kernel-default-devel as a component of SUSE OpenStack Cloud Crowbar 9 kernel-devel as a component of SUSE OpenStack Cloud Crowbar 9 kernel-macros as a component of SUSE OpenStack Cloud Crowbar 9 kernel-source as a component of SUSE OpenStack Cloud Crowbar 9 kernel-devel-rt as a component of SUSE Real Time Module 15 SP5 kernel-source-rt as a component of SUSE Real Time Module 15 SP5 In the Linux kernel, the following vulnerability has been resolved: ovl: fix leaked dentry Since commit 6815f479ca90 ("ovl: use only uppermetacopy state in ovl_lookup()"), overlayfs doesn't put temporary dentry when there is a metacopy error, which leads to dentry leaks when shutting down the related superblock: overlayfs: refusing to follow metacopy origin for (/file0) ... BUG: Dentry (____ptrval____){i=3f33,n=file3} still in use (1) [unmount of overlay overlay] ... WARNING: CPU: 1 PID: 432 at umount_check.cold+0x107/0x14d CPU: 1 PID: 432 Comm: unmount-overlay Not tainted 5.12.0-rc5 #1 ... RIP: 0010:umount_check.cold+0x107/0x14d ... Call Trace: d_walk+0x28c/0x950 ? dentry_lru_isolate+0x2b0/0x2b0 ? __kasan_slab_free+0x12/0x20 do_one_tree+0x33/0x60 shrink_dcache_for_umount+0x78/0x1d0 generic_shutdown_super+0x70/0x440 kill_anon_super+0x3e/0x70 deactivate_locked_super+0xc4/0x160 deactivate_super+0xfa/0x140 cleanup_mnt+0x22e/0x370 __cleanup_mnt+0x1a/0x30 task_work_run+0x139/0x210 do_exit+0xb0c/0x2820 ? __kasan_check_read+0x1d/0x30 ? find_held_lock+0x35/0x160 ? lock_release+0x1b6/0x660 ? mm_update_next_owner+0xa20/0xa20 ? reacquire_held_locks+0x3f0/0x3f0 ? __sanitizer_cov_trace_const_cmp4+0x22/0x30 do_group_exit+0x135/0x380 __do_sys_exit_group.isra.0+0x20/0x20 __x64_sys_exit_group+0x3c/0x50 do_syscall_64+0x45/0x70 entry_SYSCALL_64_after_hwframe+0x44/0xae ... VFS: Busy inodes after unmount of overlay. Self-destruct in 5 seconds. Have a nice day... This fix has been tested with a syzkaller reproducer. CVE-2021-46972 SUSE Liberty Linux 8:bpftool-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-abi-stablelists-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-core-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-cross-headers-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-debug-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-debug-core-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-debug-devel-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-debug-modules-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-debug-modules-extra-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-devel-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-doc-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-headers-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-modules-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-modules-extra-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-tools-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-tools-libs-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:kernel-tools-libs-devel-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:perf-4.18.0-553.8.1.el8_10 SUSE Liberty Linux 8:python3-perf-4.18.0-553.8.1.el8_10 SUSE Enterprise Storage 7.1:kernel-default SUSE Enterprise Storage 7.1:kernel-default-devel SUSE Enterprise Storage 7.1:kernel-devel SUSE Enterprise Storage 7.1:kernel-macros SUSE Enterprise Storage 7.1:kernel-source SUSE Enterprise Storage 7.1:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-default SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-source SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-source-azure SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Micro 5.0:kernel-default SUSE Linux Enterprise Micro 5.1:kernel-default SUSE Linux Enterprise Micro 5.1:kernel-rt SUSE Linux Enterprise Micro 5.1:kernel-source-rt SUSE Linux Enterprise Micro 5.2:kernel-default SUSE Linux Enterprise Micro 5.2:kernel-rt SUSE Linux Enterprise Micro 5.2:kernel-source-rt SUSE Linux Enterprise Micro 5.3:kernel-default SUSE Linux Enterprise Micro 5.3:kernel-rt SUSE Linux Enterprise Micro 5.3:kernel-source-rt SUSE Linux Enterprise Micro 5.4:kernel-default SUSE Linux Enterprise Micro 5.4:kernel-rt SUSE Linux Enterprise Micro 5.4:kernel-source-rt SUSE Linux Enterprise Micro 5.5:kernel-devel-rt SUSE Linux Enterprise Micro 5.5:kernel-source-rt SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-default SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-default-devel SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-devel SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-macros SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-source SUSE Linux Enterprise Module for Development Tools 15 SP5:kernel-default SUSE Linux Enterprise Module for Development Tools 15 SP5:kernel-source SUSE Linux Enterprise Module for Public Cloud 15 SP2:kernel-source-azure SUSE Linux Enterprise Module for Public Cloud 15 SP3:kernel-source-azure SUSE Linux Enterprise Module for Public Cloud 15 SP4:kernel-source-azure SUSE Linux Enterprise Module for Public Cloud 15 SP5:kernel-devel-azure SUSE Linux Enterprise Module for Public Cloud 15 SP5:kernel-source-azure SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-source SUSE Linux Enterprise Server 11 SP4 LTSS:kernel-default SUSE Linux Enterprise Server 11 SP4 LTSS:kernel-source SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-default SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-default-base SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-default-devel SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-default-man SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-devel SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-macros SUSE Linux Enterprise Server 12 SP2-LTSS:kernel-source SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-base SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-devel SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-man SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-devel SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-macros SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-source SUSE Linux Enterprise Server 12 SP5:kernel-default SUSE Linux Enterprise Server 12 SP5:kernel-default-base SUSE Linux Enterprise Server 12 SP5:kernel-default-devel SUSE Linux Enterprise Server 12 SP5:kernel-default-man SUSE Linux Enterprise Server 12 SP5:kernel-devel SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure SUSE Linux Enterprise Server 12 SP5:kernel-macros SUSE Linux Enterprise Server 12 SP5:kernel-source SUSE Linux Enterprise Server 12 SP5:kernel-source-azure SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-default SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-default-base SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-default-devel SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-default-man SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-devel SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-macros SUSE Linux Enterprise Server 15 SP1-LTSS:kernel-source SUSE Linux Enterprise Server 15 SP1-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Server 15 SP2-LTSS:kernel-default SUSE Linux Enterprise Server 15 SP2-LTSS:kernel-default-devel SUSE Linux Enterprise Server 15 SP2-LTSS:kernel-devel SUSE Linux Enterprise Server 15 SP2-LTSS:kernel-macros SUSE Linux Enterprise Server 15 SP2-LTSS:kernel-source SUSE Linux Enterprise Server 15 SP2-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Server 15 SP3-LTSS:kernel-default SUSE Linux Enterprise Server 15 SP3-LTSS:kernel-default-devel SUSE Linux Enterprise Server 15 SP3-LTSS:kernel-devel SUSE Linux Enterprise Server 15 SP3-LTSS:kernel-macros SUSE Linux Enterprise Server 15 SP3-LTSS:kernel-source SUSE Linux Enterprise Server 15 SP3-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Server 15 SP4-LTSS:kernel-default SUSE Linux Enterprise Server 15 SP4-LTSS:kernel-default-devel SUSE Linux Enterprise Server 15 SP4-LTSS:kernel-devel SUSE Linux Enterprise Server 15 SP4-LTSS:kernel-macros SUSE Linux Enterprise Server 15 SP4-LTSS:kernel-source SUSE Linux Enterprise Server 15 SP4-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Server 15-LTSS:kernel-default SUSE Linux Enterprise Server 15-LTSS:kernel-default-base SUSE Linux Enterprise Server 15-LTSS:kernel-default-devel SUSE Linux Enterprise Server 15-LTSS:kernel-default-man SUSE Linux Enterprise Server 15-LTSS:kernel-devel SUSE Linux Enterprise Server 15-LTSS:kernel-macros SUSE Linux Enterprise Server 15-LTSS:kernel-source SUSE Linux Enterprise Server 15-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Server Teradata 12 SP3-LTSS:kernel-default SUSE Linux Enterprise Server Teradata 12 SP3-LTSS:kernel-source SUSE Linux Enterprise Server Teradata 12 SP3:kernel-default SUSE Linux Enterprise Server Teradata 12 SP3:kernel-source SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-default SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-default-base SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-default-devel SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-devel SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-macros SUSE Linux Enterprise Server for SAP Applications 12 SP2:kernel-source SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-default SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-default-base SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-default-devel SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-devel SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-macros SUSE Linux Enterprise Server for SAP Applications 12 SP4:kernel-source SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-default SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure SUSE Linux Enterprise Server for SAP Applications 15 SP2:kernel-default SUSE Linux Enterprise Server for SAP Applications 15 SP2:kernel-default-devel SUSE Linux Enterprise Server for SAP Applications 15 SP2:kernel-devel SUSE Linux Enterprise Server for SAP Applications 15 SP2:kernel-macros SUSE Linux Enterprise Server for SAP Applications 15 SP2:kernel-source SUSE Linux Enterprise Server for SAP Applications 15 SP2:reiserfs-kmp-default SUSE Linux Enterprise Server for SAP Applications 15 SP3:kernel-default SUSE Linux Enterprise Server for SAP Applications 15 SP3:kernel-default-devel SUSE Linux Enterprise Server for SAP Applications 15 SP3:kernel-devel SUSE Linux Enterprise Server for SAP Applications 15 SP3:kernel-macros SUSE Linux Enterprise Server for SAP Applications 15 SP3:kernel-source SUSE Linux Enterprise Server for SAP Applications 15 SP3:reiserfs-kmp-default SUSE Linux Enterprise Server for SAP Applications 15 SP4:kernel-default SUSE Linux Enterprise Server for SAP Applications 15 SP4:kernel-default-devel SUSE Linux Enterprise Server for SAP Applications 15 SP4:kernel-devel SUSE Linux Enterprise Server for SAP Applications 15 SP4:kernel-macros SUSE Linux Enterprise Server for SAP Applications 15 SP4:kernel-source SUSE Linux Enterprise Server for SAP Applications 15 SP4:reiserfs-kmp-default SUSE Manager Proxy 4.3:kernel-default SUSE Manager Proxy 4.3:kernel-default-devel SUSE Manager Proxy 4.3:kernel-devel SUSE Manager Proxy 4.3:kernel-macros SUSE Manager Proxy 4.3:kernel-source SUSE Manager Retail Branch Server 4.3:kernel-default SUSE Manager Retail Branch Server 4.3:kernel-default-devel SUSE Manager Retail Branch Server 4.3:kernel-devel SUSE Manager Retail Branch Server 4.3:kernel-macros SUSE Manager Retail Branch Server 4.3:kernel-source SUSE Manager Server 4.3:kernel-default SUSE Manager Server 4.3:kernel-default-devel SUSE Manager Server 4.3:kernel-devel SUSE Manager Server 4.3:kernel-macros SUSE Manager Server 4.3:kernel-source SUSE OpenStack Cloud 9:kernel-default SUSE OpenStack Cloud 9:kernel-default-base SUSE OpenStack Cloud 9:kernel-default-devel SUSE OpenStack Cloud 9:kernel-devel SUSE OpenStack Cloud 9:kernel-macros SUSE OpenStack Cloud 9:kernel-source SUSE OpenStack Cloud Crowbar 9:kernel-default SUSE OpenStack Cloud Crowbar 9:kernel-default-base SUSE OpenStack Cloud Crowbar 9:kernel-default-devel SUSE OpenStack Cloud Crowbar 9:kernel-devel SUSE OpenStack Cloud Crowbar 9:kernel-macros SUSE OpenStack Cloud Crowbar 9:kernel-source SUSE Real Time Module 15 SP5:kernel-devel-rt SUSE Real Time Module 15 SP5:kernel-source-rt moderate 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H