Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP4)

Announcement ID:	SUSE-SU-2021:2367-1
Rating:	important
References:	bsc#1185901 bsc#1187597 bsc#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-2021-0512 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 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-2021-0605 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVE-2021-23133 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-23133 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Live Patching 15-SP2 SUSE Linux Enterprise Live Patching 15-SP1 SUSE Linux Enterprise Live Patching 15 SUSE Linux Enterprise Live Patching 12-SP5 SUSE Linux Enterprise Live Patching 12-SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-95_57 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 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 12-SP4
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-2367=1 SUSE-SLE-Live-Patching-12-SP4-2021-2355=1 SUSE-SLE-Live-Patching-12-SP4-2021-2356=1 SUSE-SLE-Live-Patching-12-SP4-2021-2336=1 SUSE-SLE-Live-Patching-12-SP4-2021-2337=1 SUSE-SLE-Live-Patching-12-SP4-2021-2340=1
• SUSE Linux Enterprise Live Patching 12-SP5
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-2338=1 SUSE-SLE-Live-Patching-12-SP5-2021-2348=1
• SUSE Linux Enterprise Live Patching 15
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-2364=1 SUSE-SLE-Module-Live-Patching-15-2021-2370=1 SUSE-SLE-Module-Live-Patching-15-2021-2344=1 SUSE-SLE-Module-Live-Patching-15-2021-2343=1 SUSE-SLE-Module-Live-Patching-15-2021-2342=1 SUSE-SLE-Module-Live-Patching-15-2021-2341=1
• SUSE Linux Enterprise Live Patching 15-SP1
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-2335=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2334=1
• SUSE Linux Enterprise 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 Live Patching 12-SP4 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-95_74-default-3-2.1
  • kgraft-patch-4_12_14-95_60-default-11-2.2
  • kgraft-patch-4_12_14-95_71-default-6-2.2
  • kgraft-patch-4_12_14-95_57-default-12-2.2
  • kgraft-patch-4_12_14-95_65-default-8-2.2
  • kgraft-patch-4_12_14-95_68-default-7-2.2
• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-122_29-default-14-2.2
  • kgraft-patch-4_12_14-122_32-default-14-2.2
• SUSE Linux Enterprise Live Patching 15 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-150_63-default-9-2.2
  • kernel-livepatch-4_12_14-150_69-default-6-2.2
  • kernel-livepatch-4_12_14-150_72-default-3-2.1
  • kernel-livepatch-4_12_14-150_72-default-debuginfo-3-2.1
  • kernel-livepatch-4_12_14-150_55-default-12-2.2
  • kernel-livepatch-4_12_14-150_58-default-debuginfo-11-2.2
  • kernel-livepatch-4_12_14-150_69-default-debuginfo-6-2.2
  • kernel-livepatch-4_12_14-150_55-default-debuginfo-12-2.2
  • kernel-livepatch-4_12_14-150_58-default-11-2.2
  • kernel-livepatch-4_12_14-150_63-default-debuginfo-9-2.2
  • kernel-livepatch-4_12_14-150_66-default-7-2.2
  • kernel-livepatch-4_12_14-150_66-default-debuginfo-7-2.2
• SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-197_48-default-12-2.2
  • kernel-livepatch-4_12_14-197_51-default-12-2.2
• SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP2_Update_1-debugsource-12-2.2
  • kernel-livepatch-5_3_18-24_9-default-debuginfo-12-2.2
  • kernel-livepatch-5_3_18-24_9-default-12-2.2
  • kernel-livepatch-5_3_18-22-default-debuginfo-13-5.2
  • kernel-livepatch-SLE15-SP2_Update_0-debugsource-13-5.2
  • kernel-livepatch-5_3_18-22-default-13-5.2

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/show_bug.cgi?id=1185901
• https://bugzilla.suse.com/show_bug.cgi?id=1187597
• https://bugzilla.suse.com/show_bug.cgi?id=1187687