SUSE-SU-2021:2387-1: important: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP2)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP2)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2387-1
Rating:             important
References:         #1185901 #1187597 
Cross-References:   CVE-2021-0512 CVE-2021-23133
CVSS scores:
                    CVE-2021-0512 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-23133 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-23133 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP2
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-24_34 fixes several issues.

   The following security issues were fixed:

   - CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to
     local escalation of privilege with no additional execution privileges
     needed. (bsc#1187597)
   - CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead
     to kernel privilege escalation from the context of a network service or
     an unprivileged process. (bsc#1185901)


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-SP2-2021-2379=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2380=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2381=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2382=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2387=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2388=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-24_12-default-11-2.2
      kernel-livepatch-5_3_18-24_12-default-debuginfo-11-2.2
      kernel-livepatch-5_3_18-24_15-default-11-2.2
      kernel-livepatch-5_3_18-24_15-default-debuginfo-11-2.2
      kernel-livepatch-5_3_18-24_24-default-11-2.2
      kernel-livepatch-5_3_18-24_24-default-debuginfo-11-2.2
      kernel-livepatch-5_3_18-24_29-default-9-2.2
      kernel-livepatch-5_3_18-24_29-default-debuginfo-9-2.2
      kernel-livepatch-5_3_18-24_34-default-9-2.2
      kernel-livepatch-5_3_18-24_34-default-debuginfo-9-2.2
      kernel-livepatch-5_3_18-24_37-default-9-2.2
      kernel-livepatch-5_3_18-24_37-default-debuginfo-9-2.2
      kernel-livepatch-SLE15-SP2_Update_2-debugsource-11-2.2
      kernel-livepatch-SLE15-SP2_Update_3-debugsource-11-2.2
      kernel-livepatch-SLE15-SP2_Update_4-debugsource-11-2.2
      kernel-livepatch-SLE15-SP2_Update_5-debugsource-9-2.2
      kernel-livepatch-SLE15-SP2_Update_6-debugsource-9-2.2
      kernel-livepatch-SLE15-SP2_Update_7-debugsource-9-2.2


References:

   https://www.suse.com/security/cve/CVE-2021-0512.html
   https://www.suse.com/security/cve/CVE-2021-23133.html
   https://bugzilla.suse.com/1185901
   https://bugzilla.suse.com/1187597