Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3)
Announcement ID: SUSE-SU-2022:0295-1
Rating: important
References: #1191529 #1192036 #1193529 #1194461 #1194737
Cross-References:CVE-2020-3702 CVE-2021-4028 CVE-2021-4154 CVE-2021-42739 CVE-2022-0185
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP3

An update that fixes 5 vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-59_13 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-2021-4028: Fixed use-after-free in RDMA listen() that could lead to DoS or privilege escalation by a local attacker (bsc#1193167).
  • 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-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-294=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-295=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-59_13-default-8-150300.2.2
    • kernel-livepatch-5_3_18-59_13-default-debuginfo-8-150300.2.2
    • kernel-livepatch-5_3_18-59_5-default-8-150300.2.2
    • kernel-livepatch-5_3_18-59_5-default-debuginfo-8-150300.2.2
    • kernel-livepatch-SLE15-SP3_Update_1-debugsource-8-150300.2.2
    • kernel-livepatch-SLE15-SP3_Update_3-debugsource-8-150300.2.2

References: