CVE-2024-26746 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2024-26746 Interim 1 24 2026-03-05T02:46:04Z current 2024-04-08T23:09:00Z 2026-03-05T02:46:04Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2024-26746 In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from event log cache to user triggers a kernel bug. [ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)! [ 1987.170845] ------------[ cut here ]------------ [ 1987.176086] kernel BUG at mm/usercopy.c:102! [ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5 [ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023 [ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd] [ 1987.212338] RIP: 0010:usercopy_abort+0x72/0x90 [ 1987.217381] Code: 58 65 9c 50 48 c7 c2 17 85 61 9c 57 48 c7 c7 98 fd 6b 9c 48 0f 44 d6 48 c7 c6 b3 08 62 9c 4c 89 d1 49 0f 44 f3 e8 1e 2e d5 ff <0f> 0b 49 c7 c1 9e 42 61 9c 4c 89 cf 4d 89 c8 eb a9 66 66 2e 0f 1f [ 1987.238505] RSP: 0018:ff62f5cf20607d60 EFLAGS: 00010246 [ 1987.244423] RAX: 000000000000005f RBX: 000000000000001f RCX: 0000000000000000 [ 1987.252480] RDX: 0000000000000000 RSI: ffffffff9c61429e RDI: 00000000ffffffff [ 1987.260538] RBP: ff62f5cf20607d78 R08: ff2a6a89ef3fffe8 R09: 00000000fffeffff [ 1987.268595] R10: ff2a6a89eed00000 R11: 0000000000000003 R12: ff2a66934849c89a [ 1987.276652] R13: 0000000000000001 R14: ff2a66934849c8b9 R15: ff2a66934849c899 [ 1987.284710] FS: 0000000000000000(0000) GS:ff2a66b22fe40000(0000) knlGS:0000000000000000 [ 1987.293850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1987.300355] CR2: 00007fe291a37000 CR3: 000000010fbd4005 CR4: 0000000000f71ef0 [ 1987.308413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1987.316470] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 [ 1987.324527] PKRU: 55555554 [ 1987.327622] Call Trace: [ 1987.330424] <TASK> [ 1987.332826] ? show_regs+0x6e/0x80 [ 1987.336703] ? die+0x3c/0xa0 [ 1987.339988] ? do_trap+0xd4/0xf0 [ 1987.343662] ? do_error_trap+0x75/0xa0 [ 1987.347922] ? usercopy_abort+0x72/0x90 [ 1987.352277] ? exc_invalid_op+0x57/0x80 [ 1987.356634] ? usercopy_abort+0x72/0x90 [ 1987.360988] ? asm_exc_invalid_op+0x1f/0x30 [ 1987.365734] ? usercopy_abort+0x72/0x90 [ 1987.370088] __check_heap_object+0xb7/0xd0 [ 1987.374739] __check_object_size+0x175/0x2d0 [ 1987.379588] idxd_copy_cr+0xa9/0x130 [idxd] [ 1987.384341] idxd_evl_fault_work+0x127/0x390 [idxd] [ 1987.389878] process_one_work+0x13e/0x300 [ 1987.394435] ? __pfx_worker_thread+0x10/0x10 [ 1987.399284] worker_thread+0x2f7/0x420 [ 1987.403544] ? _raw_spin_unlock_irqrestore+0x2b/0x50 [ 1987.409171] ? __pfx_worker_thread+0x10/0x10 [ 1987.414019] kthread+0x107/0x140 [ 1987.417693] ? __pfx_kthread+0x10/0x10 [ 1987.421954] ret_from_fork+0x3d/0x60 [ 1987.426019] ? __pfx_kthread+0x10/0x10 [ 1987.430281] ret_from_fork_asm+0x1b/0x30 [ 1987.434744] </TASK> The issue arises because event log cache is created using kmem_cache_create() which is not suitable for user copy. Fix the issue by creating event log cache with kmem_cache_create_usercopy(), ensuring safe user copy. 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 Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Module for Development Tools 15 SP7 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 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SUSE Linux Enterprise Module for Legacy 15 SP7 SUSE Linux Micro 6.0 SUSE Linux Micro 6.1 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 openSUSE Leap 15.6 kernel-64kb-6.12.0-160000.5.1 kernel-64kb-6.4.0-150600.21.2 kernel-64kb-6.4.0-150700.51.1 kernel-64kb-devel-6.12.0-160000.5.1 kernel-64kb-devel-6.4.0-150600.21.2 kernel-64kb-devel-6.4.0-150700.51.1 kernel-64kb-extra-6.12.0-160000.5.1 kernel-azure-6.12.0-160000.2.2 kernel-azure-6.4.0-150600.6.3 kernel-azure-devel-6.12.0-160000.2.2 kernel-azure-devel-6.4.0-150600.6.3 kernel-azure-extra-6.12.0-160000.2.2 kernel-azure-vdso-6.12.0-160000.2.2 kernel-default kernel-default-6.12.0-160000.5.1 kernel-default-6.4.0-150600.21.3 kernel-default-6.4.0-150700.51.1 kernel-default-6.4.0-17.1 kernel-default-6.4.0-19.1 kernel-default-base kernel-default-devel kernel-default-devel-6.12.0-160000.5.1 kernel-default-devel-6.4.0-150600.21.3 kernel-default-devel-6.4.0-150700.51.1 kernel-default-devel-6.4.0-19.1 kernel-default-extra-6.12.0-160000.5.1 kernel-default-extra-6.4.0-17.1 kernel-default-extra-6.4.0-19.1 kernel-default-livepatch-6.12.0-160000.5.1 kernel-default-livepatch-6.4.0-19.1 kernel-default-man kernel-default-vdso-6.12.0-160000.5.1 kernel-devel kernel-devel-6.12.0-160000.5.1 kernel-devel-6.4.0-150600.21.2 kernel-devel-6.4.0-150700.51.1 kernel-devel-6.4.0-19.1 kernel-devel-azure kernel-devel-azure-6.12.0-160000.2.2 kernel-devel-azure-6.4.0-150600.6.2 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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 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Basesystem 15 SP6 kernel-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-macros as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-source as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 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-default as a component of SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-source as a component of SUSE Linux Enterprise Module for Development Tools 15 SP6 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-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP6 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP6 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 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 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 kernel-devel-azure as a component of openSUSE Leap 15.6 kernel-source-azure as a component of openSUSE Leap 15.6 In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from event log cache to user triggers a kernel bug. [ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)! [ 1987.170845] ------------[ cut here ]------------ [ 1987.176086] kernel BUG at mm/usercopy.c:102! [ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5 [ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023 [ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd] [ 1987.212338] RIP: 0010:usercopy_abort+0x72/0x90 [ 1987.217381] Code: 58 65 9c 50 48 c7 c2 17 85 61 9c 57 48 c7 c7 98 fd 6b 9c 48 0f 44 d6 48 c7 c6 b3 08 62 9c 4c 89 d1 49 0f 44 f3 e8 1e 2e d5 ff <0f> 0b 49 c7 c1 9e 42 61 9c 4c 89 cf 4d 89 c8 eb a9 66 66 2e 0f 1f [ 1987.238505] RSP: 0018:ff62f5cf20607d60 EFLAGS: 00010246 [ 1987.244423] RAX: 000000000000005f RBX: 000000000000001f RCX: 0000000000000000 [ 1987.252480] RDX: 0000000000000000 RSI: ffffffff9c61429e RDI: 00000000ffffffff [ 1987.260538] RBP: ff62f5cf20607d78 R08: ff2a6a89ef3fffe8 R09: 00000000fffeffff [ 1987.268595] R10: ff2a6a89eed00000 R11: 0000000000000003 R12: ff2a66934849c89a [ 1987.276652] R13: 0000000000000001 R14: ff2a66934849c8b9 R15: ff2a66934849c899 [ 1987.284710] FS: 0000000000000000(0000) GS:ff2a66b22fe40000(0000) knlGS:0000000000000000 [ 1987.293850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1987.300355] CR2: 00007fe291a37000 CR3: 000000010fbd4005 CR4: 0000000000f71ef0 [ 1987.308413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1987.316470] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 [ 1987.324527] PKRU: 55555554 [ 1987.327622] Call Trace: [ 1987.330424] <TASK> [ 1987.332826] ? show_regs+0x6e/0x80 [ 1987.336703] ? die+0x3c/0xa0 [ 1987.339988] ? do_trap+0xd4/0xf0 [ 1987.343662] ? do_error_trap+0x75/0xa0 [ 1987.347922] ? usercopy_abort+0x72/0x90 [ 1987.352277] ? exc_invalid_op+0x57/0x80 [ 1987.356634] ? usercopy_abort+0x72/0x90 [ 1987.360988] ? asm_exc_invalid_op+0x1f/0x30 [ 1987.365734] ? usercopy_abort+0x72/0x90 [ 1987.370088] __check_heap_object+0xb7/0xd0 [ 1987.374739] __check_object_size+0x175/0x2d0 [ 1987.379588] idxd_copy_cr+0xa9/0x130 [idxd] [ 1987.384341] idxd_evl_fault_work+0x127/0x390 [idxd] [ 1987.389878] process_one_work+0x13e/0x300 [ 1987.394435] ? __pfx_worker_thread+0x10/0x10 [ 1987.399284] worker_thread+0x2f7/0x420 [ 1987.403544] ? _raw_spin_unlock_irqrestore+0x2b/0x50 [ 1987.409171] ? __pfx_worker_thread+0x10/0x10 [ 1987.414019] kthread+0x107/0x140 [ 1987.417693] ? __pfx_kthread+0x10/0x10 [ 1987.421954] ret_from_fork+0x3d/0x60 [ 1987.426019] ? __pfx_kthread+0x10/0x10 [ 1987.430281] ret_from_fork_asm+0x1b/0x30 [ 1987.434744] </TASK> The issue arises because event log cache is created using kmem_cache_create() which is not suitable for user copy. Fix the issue by creating event log cache with kmem_cache_create_usercopy(), ensuring safe user copy. CVE-2024-26746 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-64kb-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-64kb-devel-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-default-6.4.0-150600.21.3 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-default-devel-6.4.0-150600.21.3 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-devel-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-macros-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-zfcpdump-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-64kb-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-64kb-devel-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-default-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-default-devel-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-devel-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-macros-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:kernel-zfcpdump-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-docs-6.4.0-150600.21.1 SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-obs-build-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-source-6.4.0-150600.21.2 SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-syms-6.4.0-150600.21.1 SUSE Linux Enterprise Module for Development Tools 15 SP7:kernel-docs-6.4.0-150700.51.2 SUSE Linux Enterprise Module for Development Tools 15 SP7:kernel-obs-build-6.4.0-150700.51.2 SUSE Linux Enterprise Module for Development Tools 15 SP7:kernel-source-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Development Tools 15 SP7:kernel-syms-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Legacy 15 SP6:reiserfs-kmp-default-6.4.0-150600.21.3 SUSE Linux Enterprise Module for Legacy 15 SP7:reiserfs-kmp-default-6.4.0-150700.51.1 SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-azure-6.4.0-150600.6.3 SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-azure-devel-6.4.0-150600.6.3 SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-devel-azure-6.4.0-150600.6.2 SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-source-azure-6.4.0-150600.6.2 SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-syms-azure-6.4.0-150600.6.1 SUSE Linux Enterprise Server 16.0:kernel-64kb-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-64kb-devel-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-64kb-extra-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-azure-6.12.0-160000.2.2 SUSE Linux Enterprise Server 16.0:kernel-azure-devel-6.12.0-160000.2.2 SUSE Linux Enterprise Server 16.0:kernel-azure-extra-6.12.0-160000.2.2 SUSE Linux Enterprise Server 16.0:kernel-azure-vdso-6.12.0-160000.2.2 SUSE Linux Enterprise Server 16.0:kernel-default-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-default-devel-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-default-extra-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-default-livepatch-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-default-vdso-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-devel-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-devel-azure-6.12.0-160000.2.2 SUSE Linux Enterprise Server 16.0:kernel-docs-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-docs-html-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-kvmsmall-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-kvmsmall-devel-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-kvmsmall-vdso-6.12.0-160000.5.1 SUSE Linux Enterprise Server 16.0:kernel-macros-6.12.0-160000.5.1 SUSE Linux Enterprise Server 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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 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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 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 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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 openSUSE Leap 15.6:kernel-devel-azure openSUSE Leap 15.6:kernel-source-azure moderate 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H