Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)

Announcement ID: SUSE-SU-2023:0277-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-2602 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-2602 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-3424 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-3424 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-4379 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
  • CVE-2022-4379 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise Live Patching 15-SP4
  • SUSE Linux Enterprise Micro 5.3
  • SUSE Linux Enterprise Micro 5.4
  • SUSE Linux Enterprise Real Time 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_24_11 fixes several issues.

The following security issues were fixed:

  • CVE-2022-4379: A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allowed an attacker to conduct a remote denial of service attack (bsc#1206373).
  • CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault() and gru_handle_user_call_os() that could lead to kernel panic (bsc#1204167).
  • CVE-2022-2602: Fixed a local privilege escalation vulnerability involving Unix socket Garbage Collection and io_uring (bsc#1205186).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Live Patching 15-SP4
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-270=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-269=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-272=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-277=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-331=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP4_Update_1-debugsource-7-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_21-default-debuginfo-6-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_0-debugsource-10-150400.4.2
    • kernel-livepatch-SLE15-SP4_Update_3-debugsource-6-150400.2.1
    • kernel-livepatch-5_14_21-150400_22-default-debuginfo-10-150400.4.2
    • kernel-livepatch-5_14_21-150400_24_21-default-6-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_4-debugsource-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_28-default-debuginfo-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_22-default-10-150400.4.2
    • kernel-livepatch-5_14_21-150400_24_18-default-7-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_28-default-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-7-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-debuginfo-7-150400.2.1

References: