SUSE-SU-2021:3710-1: important: Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP2)

[sle-updates at lists.suse.com]

   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
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-2021-41864 (SUSE): 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 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:

   https://www.suse.com/security/cve/CVE-2021-3752.html
   https://www.suse.com/security/cve/CVE-2021-41864.html
   https://bugzilla.suse.com/1190432
   https://bugzilla.suse.com/1191318