Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3)
Announcement ID: SUSE-SU-2022:0984-1
Rating: important
References: #1192991 #1195908 #1196301
Cross-References:CVE-2021-4001 CVE-2022-0492 CVE-2022-25636
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15-SP3
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Module for Live Patching 15-SP3
  • SUSE Linux Enterprise Server 15-SP3
  • SUSE Linux Enterprise Server for SAP Applications 15-SP3

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-59_37 fixes several issues.
The following security issues were fixed:

  • CVE-2022-25636: Fixed an issue which allowed a local users to gain privileges because of a heap out-of-bounds write in nf_dup_netdev.c, related to nf_tables_offload (bsc#1196299).
  • CVE-2021-4001: Fixed a race condition when the EBPF map is frozen (bsc#1192990).
  • CVE-2022-0492: Fixed a privilege escalation related to cgroups v1 release_agent feature, which allowed bypassing namespace isolation unexpectedly (bsc#1195543).

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-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-1016=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-980=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-982=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-983=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-984=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-59_19-default-9-150300.2.1
    • kernel-livepatch-5_3_18-59_19-default-debuginfo-9-150300.2.1
    • kernel-livepatch-5_3_18-59_24-default-7-150300.2.1
    • kernel-livepatch-5_3_18-59_24-default-debuginfo-7-150300.2.1
    • kernel-livepatch-5_3_18-59_27-default-7-150300.2.1
    • kernel-livepatch-5_3_18-59_27-default-debuginfo-7-150300.2.1
    • kernel-livepatch-5_3_18-59_34-default-6-150300.2.1
    • kernel-livepatch-5_3_18-59_34-default-debuginfo-6-150300.2.1
    • kernel-livepatch-5_3_18-59_37-default-5-150300.2.1
    • kernel-livepatch-5_3_18-59_37-default-debuginfo-5-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_10-debugsource-5-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_5-debugsource-9-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_6-debugsource-7-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_7-debugsource-7-150300.2.1
    • kernel-livepatch-SLE15-SP3_Update_9-debugsource-6-150300.2.1

References: