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

SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP4)
Announcement ID: SUSE-SU-2022:3628-1
Rating: important
References: #1203067 #1203994 #1204290 #1204291 #1204292
Cross-References:CVE-2022-39189 CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15-SP4
  • SUSE Linux Enterprise Module for Live Patching 15-SP4
  • SUSE Linux Enterprise Server 15-SP4
  • SUSE Linux Enterprise Server for SAP Applications 15-SP4

An update that fixes 5 vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.14.21-150400_24_11 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 Security 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 Module for 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

Package List:

  • SUSE Linux Enterprise Module for 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_22-default-debuginfo-7-150400.4.18.3
    • 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
    • kernel-livepatch-SLE15-SP4_Update_0-debugsource-7-150400.4.18.3
    • kernel-livepatch-SLE15-SP4_Update_1-debugsource-4-150400.2.1

References: