Security update for the Linux Kernel (Live Patch 30 for SLE 15 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 30 for SLE 15 SP2)
Announcement ID: SUSE-SU-2022:3607-1
Rating: important
References: #1196959 #1203067 #1203624 #1203994 #1204290 #1204291 #1204292
Cross-References:CVE-2021-39698 CVE-2022-39189 CVE-2022-41222 CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15-SP2
  • SUSE Linux Enterprise Module for Live Patching 15-SP2
  • SUSE Linux Enterprise Server 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15-SP2

An update that fixes 7 vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-150200_24_129 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-2022-41222: Fixed a use-after-free via a stale TLB (bsc#1203624).
  • CVE-2022-39189: Fixed mishandled TLB flush operation in certain KVM_VCPU_PREEMPTED situations (bsc#1203067).
  • CVE-2021-39698: Fixed memory corruption due to a use after free in aio_poll_complete_work of aio.c (bsc#1196959).

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-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-3607=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-150200_24_129-default-2-150200.2.1
    • kernel-livepatch-5_3_18-150200_24_129-default-debuginfo-2-150200.2.1
    • kernel-livepatch-SLE15-SP2_Update_30-debugsource-2-150200.2.1

References: