{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for the Linux Kernel","title":"Title of the patch"},{"category":"description","text":"The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed multiple bugs in NFC subsytem (bsc#1178181).\n- CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering destruction of a large SEV VM (bsc#1184511).\n- CVE-2021-29154: Fixed incorrect computation of branch displacements, allowing arbitrary code execution (bsc#1184391).\n- CVE-2021-30002: Fixed a memory leak for large arguments in video_usercopy (bsc#1184120).\n- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393).\n- CVE-2021-20219: Fixed a denial of service in n_tty_receive_char_special (bsc#1184397).\n\nThe following non-security bugs were fixed:\n\n- cifs: do not send close in compound create+close requests (bsc#1181507).\n- net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405)\n- powerpc/64s: Fix instruction encoding for lis in ppc_function_entry() (bsc#1065729).\n- powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).\n- powerpc/pseries/ras: Remove unused variable 'status' (bsc#1065729).\n- s390/pci: Fix s390_mmio_read/write with MIO (LTC#192079 bsc#1183755).\n- vsprintf: Do not have bprintf dereference pointers (bsc#1184494).\n- vsprintf: Do not preprocess non-dereferenced pointers for bprintf (%px and %pK) (bsc#1184494).\n- vsprintf: Fix off-by-one bug in bstr_printf() processing dereferenced pointers (bsc#1184494).\n- x86/mem_encrypt: Correct physical address calculation in __set_clr_pte_enc() (12sp5).\n- xen/events: fix setting irq affinity (bsc#1184583).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2021-1248,SUSE-SLE-SERVER-12-SP5-2021-1248","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_1248-1.json"},{"category":"self","summary":"URL for SUSE-SU-2021:1248-1","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211248-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2021:1248-1","url":"https://lists.suse.com/pipermail/sle-updates/2021-April/018606.html"},{"category":"self","summary":"SUSE Bug 1065729","url":"https://bugzilla.suse.com/1065729"},{"category":"self","summary":"SUSE Bug 1113295","url":"https://bugzilla.suse.com/1113295"},{"category":"self","summary":"SUSE Bug 1178181","url":"https://bugzilla.suse.com/1178181"},{"category":"self","summary":"SUSE Bug 1181507","url":"https://bugzilla.suse.com/1181507"},{"category":"self","summary":"SUSE Bug 1183405","url":"https://bugzilla.suse.com/1183405"},{"category":"self","summary":"SUSE Bug 1183755","url":"https://bugzilla.suse.com/1183755"},{"category":"self","summary":"SUSE Bug 1184120","url":"https://bugzilla.suse.com/1184120"},{"category":"self","summary":"SUSE Bug 1184170","url":"https://bugzilla.suse.com/1184170"},{"category":"self","summary":"SUSE Bug 1184391","url":"https://bugzilla.suse.com/1184391"},{"category":"self","summary":"SUSE Bug 1184393","url":"https://bugzilla.suse.com/1184393"},{"category":"self","summary":"SUSE Bug 1184397","url":"https://bugzilla.suse.com/1184397"},{"category":"self","summary":"SUSE Bug 1184494","url":"https://bugzilla.suse.com/1184494"},{"category":"self","summary":"SUSE Bug 1184511","url":"https://bugzilla.suse.com/1184511"},{"category":"self","summary":"SUSE Bug 1184583","url":"https://bugzilla.suse.com/1184583"},{"category":"self","summary":"SUSE CVE CVE-2020-25670 page","url":"https://www.suse.com/security/cve/CVE-2020-25670/"},{"category":"self","summary":"SUSE CVE CVE-2020-25671 page","url":"https://www.suse.com/security/cve/CVE-2020-25671/"},{"category":"self","summary":"SUSE CVE CVE-2020-25672 page","url":"https://www.suse.com/security/cve/CVE-2020-25672/"},{"category":"self","summary":"SUSE CVE CVE-2020-25673 page","url":"https://www.suse.com/security/cve/CVE-2020-25673/"},{"category":"self","summary":"SUSE CVE CVE-2020-36311 page","url":"https://www.suse.com/security/cve/CVE-2020-36311/"},{"category":"self","summary":"SUSE CVE CVE-2021-20219 page","url":"https://www.suse.com/security/cve/CVE-2021-20219/"},{"category":"self","summary":"SUSE CVE CVE-2021-29154 page","url":"https://www.suse.com/security/cve/CVE-2021-29154/"},{"category":"self","summary":"SUSE CVE CVE-2021-30002 page","url":"https://www.suse.com/security/cve/CVE-2021-30002/"},{"category":"self","summary":"SUSE CVE CVE-2021-3483 page","url":"https://www.suse.com/security/cve/CVE-2021-3483/"}],"title":"Security update for the Linux Kernel","tracking":{"current_release_date":"2021-04-16T13:23:55Z","generator":{"date":"2021-04-16T13:23:55Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2021:1248-1","initial_release_date":"2021-04-16T13:23:55Z","revision_history":[{"date":"2021-04-16T13:23:55Z","number":"1","summary":"Current 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privilege escalations.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP 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Page","text":"https://www.suse.com/security/cve/CVE-2021-20219"}],"notes":[{"category":"general","text":"A denial of service vulnerability was found in n_tty_receive_char_special in drivers/tty/n_tty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop (due to a changing ldata->read_head, and a missing sanity check) and cause a threat to the system availability.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2021-20219","url":"https://www.suse.com/security/cve/CVE-2021-20219"},{"category":"external","summary":"SUSE Bug 1184397 for CVE-2021-20219","url":"https://bugzilla.suse.com/1184397"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]}],"threats":[{"category":"impact","date":"2021-04-16T13:23:55Z","details":"moderate"}],"title":"CVE-2021-20219"},{"cve":"CVE-2021-29154","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-29154"}],"notes":[{"category":"general","text":"BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 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Page","text":"https://www.suse.com/security/cve/CVE-2021-3483"}],"notes":[{"category":"general","text":"A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2021-3483","url":"https://www.suse.com/security/cve/CVE-2021-3483"},{"category":"external","summary":"SUSE Bug 1184393 for CVE-2021-3483","url":"https://bugzilla.suse.com/1184393"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Server 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-base-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-azure-devel-4.12.14-16.53.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-devel-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-source-azure-4.12.14-16.53.1.noarch","SUSE Linux Enterprise Server for SAP Applications 12 SP5:kernel-syms-azure-4.12.14-16.53.1.x86_64"]}],"threats":[{"category":"impact","date":"2021-04-16T13:23:55Z","details":"moderate"}],"title":"CVE-2021-3483"}]}