Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5)

Announcement ID: SUSE-SU-2022:0246-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-3702 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-3702 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-42739 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-42739 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Live Patching 15-SP1
  • SUSE Linux Enterprise Live Patching 12-SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-122_88 fixes several issues.

The following security issues were fixed:

  • 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 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 Live Patching 12-SP5
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-246=1 SUSE-SLE-Live-Patching-12-SP5-2022-268=1 SUSE-SLE-Live-Patching-12-SP5-2022-267=1 SUSE-SLE-Live-Patching-12-SP5-2022-244=1 SUSE-SLE-Live-Patching-12-SP5-2022-266=1 SUSE-SLE-Live-Patching-12-SP5-2022-265=1 SUSE-SLE-Live-Patching-12-SP5-2022-264=1
  • SUSE Linux Enterprise Live Patching 15-SP1
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2022-231=1 SUSE-SLE-Module-Live-Patching-15-SP1-2022-230=1 SUSE-SLE-Module-Live-Patching-15-SP1-2022-235=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-122_83-default-6-2.2
    • kgraft-patch-4_12_14-122_66-default-11-2.2
    • kgraft-patch-4_12_14-122_74-default-8-2.2
    • kgraft-patch-4_12_14-122_77-default-8-2.2
    • kgraft-patch-4_12_14-122_80-default-7-2.2
    • kgraft-patch-4_12_14-122_71-default-10-2.2
    • kgraft-patch-4_12_14-122_88-default-4-2.2
  • SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-197_92-default-9-2.2
    • kernel-livepatch-4_12_14-197_89-default-10-2.2
    • kernel-livepatch-4_12_14-197_99-default-7-2.2

References: