Security update for the Linux Kernel (Live Patch 34 for SLE 12 SP3)

Announcement ID:	SUSE-SU-2021:2538-1
Rating:	important
References:	bsc#1187052 bsc#1188117 bsc#1188257
Cross-References:	CVE-2020-36385 CVE-2021-22555 CVE-2021-33909
CVSS scores:	CVE-2020-36385 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2020-36385 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2021-22555 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-22555 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-33909 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-33909 ( 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 12 SP3 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 SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 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 SP3 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 4.4.180-94_127 fixes several issues.

The following security issues were fixed:

• CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (bsc#1188062)
• CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation. (bsc#1188116)
• CVE-2020-36385: Fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called. (bnc#1187050)

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 Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-2540=1 SUSE-SLE-SAP-12-SP3-2021-2539=1 SUSE-SLE-SAP-12-SP3-2021-2538=1 SUSE-SLE-SAP-12-SP3-2021-2537=1 SUSE-SLE-SAP-12-SP3-2021-2536=1 SUSE-SLE-SAP-12-SP3-2021-2535=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2540=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2539=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2538=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2537=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2536=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-2535=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-2540=1 SUSE-SLE-SERVER-12-SP3-2021-2539=1 SUSE-SLE-SERVER-12-SP3-2021-2538=1 SUSE-SLE-SERVER-12-SP3-2021-2537=1 SUSE-SLE-SERVER-12-SP3-2021-2536=1 SUSE-SLE-SERVER-12-SP3-2021-2535=1
• SUSE Linux Enterprise Live Patching 12-SP4
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-2529=1 SUSE-SLE-Live-Patching-12-SP4-2021-2534=1 SUSE-SLE-Live-Patching-12-SP4-2021-2533=1 SUSE-SLE-Live-Patching-12-SP4-2021-2532=1 SUSE-SLE-Live-Patching-12-SP4-2021-2584=1 SUSE-SLE-Live-Patching-12-SP4-2021-2531=1 SUSE-SLE-Live-Patching-12-SP4-2021-2530=1
• SUSE Linux Enterprise Live Patching 12-SP5
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-2528=1 SUSE-SLE-Live-Patching-12-SP5-2021-2527=1 SUSE-SLE-Live-Patching-12-SP5-2021-2526=1 SUSE-SLE-Live-Patching-12-SP5-2021-2525=1 SUSE-SLE-Live-Patching-12-SP5-2021-2524=1 SUSE-SLE-Live-Patching-12-SP5-2021-2523=1 SUSE-SLE-Live-Patching-12-SP5-2021-2522=1 SUSE-SLE-Live-Patching-12-SP5-2021-2521=1 SUSE-SLE-Live-Patching-12-SP5-2021-2520=1 SUSE-SLE-Live-Patching-12-SP5-2021-2519=1 SUSE-SLE-Live-Patching-12-SP5-2021-2518=1 SUSE-SLE-Live-Patching-12-SP5-2021-2517=1 SUSE-SLE-Live-Patching-12-SP5-2021-2516=1 SUSE-SLE-Live-Patching-12-SP5-2021-2515=1
• SUSE Linux Enterprise Live Patching 15
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-2514=1 SUSE-SLE-Module-Live-Patching-15-2021-2513=1 SUSE-SLE-Module-Live-Patching-15-2021-2512=1 SUSE-SLE-Module-Live-Patching-15-2021-2511=1 SUSE-SLE-Module-Live-Patching-15-2021-2510=1 SUSE-SLE-Module-Live-Patching-15-2021-2509=1
• SUSE Linux Enterprise Live Patching 15-SP1
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-2501=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2500=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2508=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2507=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2561=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2506=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2505=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2504=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2585=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2503=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2541=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2560=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-2502=1
• SUSE Linux Enterprise Live Patching 15-SP2
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-2499=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2498=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2497=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2496=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2495=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2494=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2493=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2492=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2542=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2543=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2544=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2491=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2490=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2489=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2488=1

Package List:

• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_135-default-10-2.2
  • kgraft-patch-4_4_180-94_130-default-12-2.2
  • kgraft-patch-4_4_180-94_138-default-8-2.2
  • kgraft-patch-4_4_180-94_141-default-7-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-4-2.1
  • kgraft-patch-4_4_180-94_135-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-13-2.2
  • kgraft-patch-4_4_180-94_141-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_127-default-13-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-12-2.2
  • kgraft-patch-4_4_180-94_144-default-4-2.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
  • kgraft-patch-4_4_180-94_135-default-10-2.2
  • kgraft-patch-4_4_180-94_130-default-12-2.2
  • kgraft-patch-4_4_180-94_138-default-8-2.2
  • kgraft-patch-4_4_180-94_141-default-7-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-4-2.1
  • kgraft-patch-4_4_180-94_135-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-13-2.2
  • kgraft-patch-4_4_180-94_141-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_127-default-13-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-12-2.2
  • kgraft-patch-4_4_180-94_144-default-4-2.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_135-default-10-2.2
  • kgraft-patch-4_4_180-94_130-default-12-2.2
  • kgraft-patch-4_4_180-94_138-default-8-2.2
  • kgraft-patch-4_4_180-94_141-default-7-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-4-2.1
  • kgraft-patch-4_4_180-94_135-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-13-2.2
  • kgraft-patch-4_4_180-94_141-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_127-default-13-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-12-2.2
  • kgraft-patch-4_4_180-94_144-default-4-2.1
• SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-95_68-default-8-2.2
  • kgraft-patch-4_12_14-95_74-default-4-2.1
  • kgraft-patch-4_12_14-95_77-default-3-2.1
  • kgraft-patch-4_12_14-95_71-default-7-2.2
  • kgraft-patch-4_12_14-95_65-default-9-2.2
  • kgraft-patch-4_12_14-95_60-default-12-2.2
  • kgraft-patch-4_12_14-95_57-default-13-2.2
• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-122_54-default-9-2.2
  • kgraft-patch-4_12_14-122_63-default-7-2.2
  • kgraft-patch-4_12_14-122_66-default-5-2.1
  • kgraft-patch-4_12_14-122_77-default-2-2.1
  • kgraft-patch-4_12_14-122_60-default-8-2.2
  • kgraft-patch-4_12_14-122_41-default-13-2.2
  • kgraft-patch-4_12_14-122_74-default-2-2.1
  • kgraft-patch-4_12_14-122_32-default-15-2.2
  • kgraft-patch-4_12_14-122_51-default-11-2.2
  • kgraft-patch-4_12_14-122_57-default-9-2.2
  • kgraft-patch-4_12_14-122_71-default-4-2.1
  • kgraft-patch-4_12_14-122_29-default-15-2.2
  • kgraft-patch-4_12_14-122_46-default-11-2.2
  • kgraft-patch-4_12_14-122_37-default-14-2.2
• SUSE Linux Enterprise Live Patching 15 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-150_58-default-debuginfo-12-2.2
  • kernel-livepatch-4_12_14-150_58-default-12-2.2
  • kernel-livepatch-4_12_14-150_66-default-8-2.2
  • kernel-livepatch-4_12_14-150_63-default-debuginfo-10-2.2
  • kernel-livepatch-4_12_14-150_69-default-debuginfo-7-2.2
  • kernel-livepatch-4_12_14-150_72-default-debuginfo-4-2.1
  • kernel-livepatch-4_12_14-150_55-default-debuginfo-13-2.2
  • kernel-livepatch-4_12_14-150_69-default-7-2.2
  • kernel-livepatch-4_12_14-150_66-default-debuginfo-8-2.2
  • kernel-livepatch-4_12_14-150_72-default-4-2.1
  • kernel-livepatch-4_12_14-150_63-default-10-2.2
  • kernel-livepatch-4_12_14-150_55-default-13-2.2
• SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-197_72-default-9-2.2
  • kernel-livepatch-4_12_14-197_75-default-9-2.2
  • kernel-livepatch-4_12_14-197_89-default-4-2.1
  • kernel-livepatch-4_12_14-197_48-default-13-2.2
  • kernel-livepatch-4_12_14-197_83-default-8-2.2
  • kernel-livepatch-4_12_14-197_86-default-7-2.2
  • kernel-livepatch-4_12_14-197_51-default-13-2.2
  • kernel-livepatch-4_12_14-197_56-default-12-2.2
  • kernel-livepatch-4_12_14-197_78-default-9-2.2
  • kernel-livepatch-4_12_14-197_61-default-11-2.2
  • kernel-livepatch-4_12_14-197_92-default-3-2.1
  • kernel-livepatch-4_12_14-197_67-default-10-2.2
  • kernel-livepatch-4_12_14-197_64-default-10-2.2
• SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-24_46-default-debuginfo-9-2.2
  • kernel-livepatch-5_3_18-24_43-default-debuginfo-9-2.2
  • kernel-livepatch-SLE15-SP2_Update_12-debugsource-4-2.1
  • kernel-livepatch-5_3_18-24_15-default-12-2.2
  • kernel-livepatch-5_3_18-24_15-default-debuginfo-12-2.2
  • kernel-livepatch-SLE15-SP2_Update_13-debugsource-4-2.1
  • kernel-livepatch-SLE15-SP2_Update_11-debugsource-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_5-debugsource-10-2.2
  • kernel-livepatch-5_3_18-24_29-default-debuginfo-10-2.2
  • kernel-livepatch-5_3_18-24_34-default-10-2.2
  • kernel-livepatch-SLE15-SP2_Update_9-debugsource-9-2.2
  • kernel-livepatch-5_3_18-24_52-default-7-2.2
  • kernel-livepatch-5_3_18-24_24-default-debuginfo-12-2.2
  • kernel-livepatch-5_3_18-24_46-default-9-2.2
  • kernel-livepatch-5_3_18-24_49-default-debuginfo-8-2.2
  • kernel-livepatch-5_3_18-24_67-default-2-2.1
  • kernel-livepatch-SLE15-SP2_Update_4-debugsource-12-2.2
  • kernel-livepatch-SLE15-SP2_Update_0-debugsource-14-5.2
  • kernel-livepatch-5_3_18-24_12-default-12-2.2
  • kernel-livepatch-SLE15-SP2_Update_8-debugsource-9-2.2
  • kernel-livepatch-SLE15-SP2_Update_10-debugsource-8-2.2
  • kernel-livepatch-5_3_18-24_9-default-13-2.2
  • kernel-livepatch-5_3_18-24_24-default-12-2.2
  • kernel-livepatch-5_3_18-24_61-default-4-2.1
  • kernel-livepatch-5_3_18-24_61-default-debuginfo-4-2.1
  • kernel-livepatch-5_3_18-24_64-default-4-2.1
  • kernel-livepatch-5_3_18-24_12-default-debuginfo-12-2.2
  • kernel-livepatch-5_3_18-24_67-default-debuginfo-2-2.1
  • kernel-livepatch-5_3_18-24_64-default-debuginfo-4-2.1
  • kernel-livepatch-SLE15-SP2_Update_6-debugsource-10-2.2
  • kernel-livepatch-5_3_18-24_34-default-debuginfo-10-2.2
  • kernel-livepatch-5_3_18-24_49-default-8-2.2
  • kernel-livepatch-SLE15-SP2_Update_1-debugsource-13-2.2
  • kernel-livepatch-SLE15-SP2_Update_3-debugsource-12-2.2
  • kernel-livepatch-5_3_18-24_52-default-debuginfo-7-2.2
  • kernel-livepatch-5_3_18-24_37-default-10-2.2
  • kernel-livepatch-SLE15-SP2_Update_2-debugsource-12-2.2
  • kernel-livepatch-5_3_18-24_29-default-10-2.2
  • kernel-livepatch-5_3_18-22-default-14-5.2
  • kernel-livepatch-5_3_18-24_9-default-debuginfo-13-2.2
  • kernel-livepatch-5_3_18-24_37-default-debuginfo-10-2.2
  • kernel-livepatch-SLE15-SP2_Update_7-debugsource-10-2.2
  • kernel-livepatch-5_3_18-24_43-default-9-2.2
  • kernel-livepatch-5_3_18-22-default-debuginfo-14-5.2
  • kernel-livepatch-SLE15-SP2_Update_14-debugsource-2-2.1

References:

• https://www.suse.com/security/cve/CVE-2020-36385.html
• https://www.suse.com/security/cve/CVE-2021-22555.html
• https://www.suse.com/security/cve/CVE-2021-33909.html
• https://bugzilla.suse.com/show_bug.cgi?id=1187052
• https://bugzilla.suse.com/show_bug.cgi?id=1188117
• https://bugzilla.suse.com/show_bug.cgi?id=1188257