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

SUSE Security Update: Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP2)
Announcement ID: SUSE-SU-2021:3710-1
Rating: important
References: #1190432 #1191318
Cross-References:CVE-2021-3752 CVE-2021-41864
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP2

An update that fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-24_53_4 fixes several issues.
The following security issues were fixed:

  • CVE-2021-3752: Fixed vulnerability in the linux kernel Bluetooth uaf module (bsc#1190432).
  • CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c (bsc#1191318).

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-SP2-2021-3706=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3707=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3708=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3709=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3710=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3711=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3713=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_37-default-14-2.2
    • kernel-livepatch-5_3_18-24_37-default-debuginfo-14-2.2
    • kernel-livepatch-5_3_18-24_43-default-13-2.2
    • kernel-livepatch-5_3_18-24_43-default-debuginfo-13-2.2
    • kernel-livepatch-5_3_18-24_46-default-13-2.2
    • kernel-livepatch-5_3_18-24_46-default-debuginfo-13-2.2
    • kernel-livepatch-5_3_18-24_52-default-11-2.2
    • kernel-livepatch-5_3_18-24_52-default-debuginfo-11-2.2
    • kernel-livepatch-5_3_18-24_53_4-default-6-2.2
    • kernel-livepatch-5_3_18-24_53_4-default-debuginfo-6-2.2
    • kernel-livepatch-5_3_18-24_61-default-8-2.2
    • kernel-livepatch-5_3_18-24_61-default-debuginfo-8-2.2
    • kernel-livepatch-5_3_18-24_64-default-8-2.2
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_11-debugsource-11-2.2
    • kernel-livepatch-SLE15-SP2_Update_12-debugsource-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_15-debugsource-6-2.2
    • kernel-livepatch-SLE15-SP2_Update_7-debugsource-14-2.2
    • kernel-livepatch-SLE15-SP2_Update_8-debugsource-13-2.2
    • kernel-livepatch-SLE15-SP2_Update_9-debugsource-13-2.2

References: