Security update for the Linux Kernel (Live Patch 28 for SLE 15)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 28 for SLE 15)
Announcement ID: SUSE-SU-2022:1329-1
Rating: important
References: #1197211 #1197335 #1197344
Cross-References:CVE-2021-39713 CVE-2022-1011 CVE-2022-1016
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Live Patching 12-SP4
  • SUSE Linux Enterprise Module for Live Patching 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-150_86 fixes several issues.
The following security issues were fixed:

  • CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197335)
  • CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bsc#1197344)
  • CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free (bsc#1197211).

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:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-1348=1 SUSE-SLE-Module-Live-Patching-15-2022-1349=1 SUSE-SLE-Module-Live-Patching-15-2022-1360=1 SUSE-SLE-Module-Live-Patching-15-2022-1370=1 SUSE-SLE-Module-Live-Patching-15-2022-1398=1
  • SUSE Linux Enterprise Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-1329=1 SUSE-SLE-Live-Patching-12-SP4-2022-1330=1 SUSE-SLE-Live-Patching-12-SP4-2022-1331=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-150_72-default-15-150000.2.1
    • kernel-livepatch-4_12_14-150_72-default-debuginfo-15-150000.2.1
    • kernel-livepatch-4_12_14-150_75-default-12-150000.2.1
    • kernel-livepatch-4_12_14-150_75-default-debuginfo-12-150000.2.1
    • kernel-livepatch-4_12_14-150_78-default-7-150000.2.1
    • kernel-livepatch-4_12_14-150_78-default-debuginfo-7-150000.2.1
    • kernel-livepatch-4_12_14-150_83-default-4-150000.2.1
    • kernel-livepatch-4_12_14-150_83-default-debuginfo-4-150000.2.1
    • kernel-livepatch-4_12_14-150_86-default-3-150000.2.1
    • kernel-livepatch-4_12_14-150_86-default-debuginfo-3-150000.2.1
  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-95_77-default-14-2.1
    • kgraft-patch-4_12_14-95_83-default-7-2.1
    • kgraft-patch-4_12_14-95_88-default-4-2.1

References: