SUSE-SU-2021:2377-1: important: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP2)

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP2)
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Announcement ID:    SUSE-SU-2021:2377-1
Rating:             important
References:         #1185901 #1187597 #1187687 
Cross-References:   CVE-2021-0512 CVE-2021-0605 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-2021-0605 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-0605 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/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 three vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-24_9 fixes several issues.

   The following security issues were fixed:

   - CVE-2021-0605: Fixed an out-of-bounds read which could lead to local
     information disclosure in the kernel with System execution privileges
     needed. (bsc#1187687)
   - 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-SP2-2021-2377=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2383=1



Package List:

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

      kernel-livepatch-5_3_18-22-default-13-5.2
      kernel-livepatch-5_3_18-22-default-debuginfo-13-5.2
      kernel-livepatch-5_3_18-24_9-default-12-2.2
      kernel-livepatch-5_3_18-24_9-default-debuginfo-12-2.2
      kernel-livepatch-SLE15-SP2_Update_0-debugsource-13-5.2
      kernel-livepatch-SLE15-SP2_Update_1-debugsource-12-2.2


References:

   https://www.suse.com/security/cve/CVE-2021-0512.html
   https://www.suse.com/security/cve/CVE-2021-0605.html
   https://www.suse.com/security/cve/CVE-2021-23133.html
   https://bugzilla.suse.com/1185901
   https://bugzilla.suse.com/1187597
   https://bugzilla.suse.com/1187687