Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP1)

Announcement ID: SUSE-SU-2021:1395-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-28660 ( SUSE ): 8.0 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2021-28660 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-28688 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2021-28688 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • CVE-2021-3444 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3444 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Live Patching 15-SP2
  • SUSE Linux Enterprise Live Patching 15-SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-197_86 fixes several issues.

The following security issues were fixed:

  • CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171).
  • CVE-2021-28660: Fixed an out of bounds write in rtw_wx_set_scan (bsc#1183658).
  • CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).

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 15-SP1
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-1385=1
  • SUSE Linux Enterprise Live Patching 15-SP2
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-1395=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-197_86-default-3-2.2
  • SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP2_Update_11-debugsource-3-2.2
    • kernel-livepatch-5_3_18-24_52-default-3-2.2
    • kernel-livepatch-5_3_18-24_52-default-debuginfo-3-2.2

References: