Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)
Announcement ID: SUSE-SU-2022:0292-1
Rating: important
References: #1191529 #1192036 #1194461 #1194737
Cross-References:CVE-2020-3702 CVE-2021-4154 CVE-2021-42739 CVE-2022-0185
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP2

An update that fixes four vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-24_64 fixes several issues.
The following security issues were fixed:

  • CVE-2022-0185: Incorrect param length parsing in legacy_parse_param which could have led to a local privilege escalation (bsc#1194517).
  • CVE-2021-4154: Fixed option parsing with cgroups version 1 (bsc#1193842).
  • CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193)
  • CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673).

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-SP2-2022-292=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_64-default-10-2.2
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-10-2.2
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-10-2.2

References: