Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP2)

Announcement ID: SUSE-SU-2021:3710-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-3752 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3752 ( NVD ): 7.1 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-41864 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-41864 ( 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 SP2
  • SUSE Linux Enterprise Live Patching 15-SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-24_37 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 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-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-SP2-2021-3737=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 Live Patching 15-SP2 (ppc64le s390x x86_64)
    • kernel-livepatch-5_3_18-24_46-default-debuginfo-13-2.2
    • kernel-livepatch-5_3_18-24_61-default-debuginfo-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_8-debugsource-13-2.2
    • kernel-livepatch-5_3_18-24_43-default-debuginfo-13-2.2
    • kernel-livepatch-SLE15-SP2_Update_12-debugsource-8-2.2
    • 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-SLE15-SP2_Update_15-debugsource-6-2.2
    • kernel-livepatch-SLE15-SP2_Update_9-debugsource-13-2.2
    • kernel-livepatch-5_3_18-24_52-default-debuginfo-11-2.2
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_10-debugsource-12-2.2
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-8-2.2
    • kernel-livepatch-5_3_18-24_49-default-12-2.2
    • kernel-livepatch-5_3_18-24_52-default-11-2.2
    • kernel-livepatch-SLE15-SP2_Update_11-debugsource-11-2.2
    • kernel-livepatch-5_3_18-24_64-default-8-2.2
    • kernel-livepatch-SLE15-SP2_Update_7-debugsource-14-2.2
    • kernel-livepatch-5_3_18-24_49-default-debuginfo-12-2.2
    • kernel-livepatch-5_3_18-24_46-default-13-2.2
    • kernel-livepatch-5_3_18-24_37-default-14-2.2
    • kernel-livepatch-5_3_18-24_61-default-8-2.2
    • 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

References: