Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4)

Announcement ID: SUSE-SU-2022:3628-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2022-39189 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-39189 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-41674 ( SUSE ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-41674 ( NVD ): 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • CVE-2022-42719 ( SUSE ): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42719 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42720 ( SUSE ): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42720 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42721 ( SUSE ): 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-42721 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/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 five vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_22 fixes several issues.

The following security issues were fixed:

  • CVE-2022-41674: Fixed buffer overflow that can be triggered by injected WLAN frames (bsc#1203994).
  • CVE-2022-42719: Fixed use-after-free in the mac80211 stack when parsing a multi-BSSID element (bsc#1204292).
  • CVE-2022-42720: Fixed refcounting bugs in the multi-BSS handling of the mac80211 stack (bsc#1204291).
  • CVE-2022-42721: Fixed list management bug in BSS handling of the mac80211 stack (bsc#1204290).
  • CVE-2022-39189: Fixed mishandled TLB flush operation in certain KVM_VCPU_PREEMPTED situations (bsc#1203067).

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-SP4-2022-3628=1 SUSE-SLE-Module-Live-Patching-15-SP4-2022-3632=1 SUSE-SLE-Module-Live-Patching-15-SP4-2022-3605=1 SUSE-SLE-Module-Live-Patching-15-SP4-2022-3601=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150400_22-default-7-150400.4.18.3
    • kernel-livepatch-5_14_21-150400_24_21-default-3-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_18-default-4-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_2-debugsource-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_18-default-debuginfo-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_22-default-debuginfo-7-150400.4.18.3
    • kernel-livepatch-5_14_21-150400_24_21-default-debuginfo-3-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_3-debugsource-3-150400.2.1
    • kernel-livepatch-SLE15-SP4_Update_0-debugsource-7-150400.4.18.3
    • kernel-livepatch-SLE15-SP4_Update_1-debugsource-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-4-150400.2.1
    • kernel-livepatch-5_14_21-150400_24_11-default-debuginfo-4-150400.2.1

References: