Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP5)

Announcement ID:	SUSE-SU-2021:1075-1
Rating:	important
References:	bsc#1182717 bsc#1183120 bsc#1183491
Cross-References:	CVE-2021-27363 CVE-2021-27364 CVE-2021-27365
CVSS scores:	CVE-2021-27363 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27363 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVE-2021-27364 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27364 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-27365 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-27365 ( 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 4.12.14-122_20 fixes several issues.

The following security issues were fixed:

• CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491).
• CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120).
• CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717).

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-SP5
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-1034=1 SUSE-SLE-Live-Patching-12-SP5-2021-1035=1 SUSE-SLE-Live-Patching-12-SP5-2021-1036=1 SUSE-SLE-Live-Patching-12-SP5-2021-1037=1 SUSE-SLE-Live-Patching-12-SP5-2021-1038=1 SUSE-SLE-Live-Patching-12-SP5-2021-1039=1 SUSE-SLE-Live-Patching-12-SP5-2021-1040=1 SUSE-SLE-Live-Patching-12-SP5-2021-1041=1 SUSE-SLE-Live-Patching-12-SP5-2021-1042=1 SUSE-SLE-Live-Patching-12-SP5-2021-1043=1 SUSE-SLE-Live-Patching-12-SP5-2021-1044=1 SUSE-SLE-Live-Patching-12-SP5-2021-1045=1
• SUSE Linux Enterprise Live Patching 15
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-1082=1 SUSE-SLE-Module-Live-Patching-15-2021-1047=1 SUSE-SLE-Module-Live-Patching-15-2021-1048=1 SUSE-SLE-Module-Live-Patching-15-2021-1049=1 SUSE-SLE-Module-Live-Patching-15-2021-1050=1 SUSE-SLE-Module-Live-Patching-15-2021-1051=1
• SUSE Linux Enterprise Live Patching 15-SP1
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-1055=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1056=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1057=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1058=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1059=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1060=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1061=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1062=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1063=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1083=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1093=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1052=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1053=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-1054=1
• SUSE Linux Enterprise Live Patching 15-SP2
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-1064=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1084=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1065=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1066=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1085=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1086=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1087=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1088=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1089=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1090=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1091=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-1092=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1067=1 SUSE-SLE-SAP-12-SP3-2021-1068=1 SUSE-SLE-SAP-12-SP3-2021-1069=1 SUSE-SLE-SAP-12-SP3-2021-1070=1 SUSE-SLE-SAP-12-SP3-2021-1071=1 SUSE-SLE-SAP-12-SP3-2021-1072=1 SUSE-SLE-SAP-12-SP3-2021-1073=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1067=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1068=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1069=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1070=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1071=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1072=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1073=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1073=1 SUSE-SLE-SERVER-12-SP3-2021-1067=1 SUSE-SLE-SERVER-12-SP3-2021-1068=1 SUSE-SLE-SERVER-12-SP3-2021-1069=1 SUSE-SLE-SERVER-12-SP3-2021-1070=1 SUSE-SLE-SERVER-12-SP3-2021-1071=1 SUSE-SLE-SERVER-12-SP3-2021-1072=1
• SUSE Linux Enterprise Live Patching 12-SP4
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-1075=1 SUSE-SLE-Live-Patching-12-SP4-2021-1076=1 SUSE-SLE-Live-Patching-12-SP4-2021-1077=1 SUSE-SLE-Live-Patching-12-SP4-2021-1078=1 SUSE-SLE-Live-Patching-12-SP4-2021-1079=1 SUSE-SLE-Live-Patching-12-SP4-2021-1080=1 SUSE-SLE-Live-Patching-12-SP4-2021-1081=1

Package List:

• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-122_23-default-10-2.2
  • kgraft-patch-4_12_14-122_51-default-6-2.2
  • kgraft-patch-4_12_14-122_37-default-9-2.2
  • kgraft-patch-4_12_14-122_20-default-11-2.2
  • kgraft-patch-4_12_14-122_26-default-10-2.2
  • kgraft-patch-4_12_14-122_46-default-6-2.2
  • kgraft-patch-4_12_14-122_41-default-8-2.2
  • kgraft-patch-4_12_14-122_54-default-4-2.2
  • kgraft-patch-4_12_14-122_57-default-4-2.2
  • kgraft-patch-4_12_14-122_32-default-10-2.2
  • kgraft-patch-4_12_14-122_60-default-3-2.2
  • kgraft-patch-4_12_14-122_29-default-10-2.2
• SUSE Linux Enterprise Live Patching 15 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-150_55-default-8-2.2
  • kernel-livepatch-4_12_14-150_63-default-debuginfo-5-2.2
  • kernel-livepatch-4_12_14-150_55-default-debuginfo-8-2.2
  • kernel-livepatch-4_12_14-150_63-default-5-2.2
  • kernel-livepatch-4_12_14-150_58-default-debuginfo-7-2.2
  • kernel-livepatch-4_12_14-150_66-default-debuginfo-3-2.2
  • kernel-livepatch-4_12_14-150_66-default-3-2.2
  • kernel-livepatch-4_12_14-150_69-default-debuginfo-2-2.2
  • kernel-livepatch-4_12_14-150_52-default-8-2.2
  • kernel-livepatch-4_12_14-150_58-default-7-2.2
  • kernel-livepatch-4_12_14-150_52-default-debuginfo-8-2.2
  • kernel-livepatch-4_12_14-150_69-default-2-2.2
• SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-197_61-default-6-2.2
  • kernel-livepatch-4_12_14-197_83-default-3-2.2
  • kernel-livepatch-4_12_14-197_78-default-4-2.2
  • kernel-livepatch-4_12_14-197_75-default-4-2.2
  • kernel-livepatch-4_12_14-197_86-default-2-2.2
  • kernel-livepatch-4_12_14-197_72-default-4-2.2
  • kernel-livepatch-4_12_14-197_56-default-7-2.2
  • kernel-livepatch-4_12_14-197_48-default-8-2.2
  • kernel-livepatch-4_12_14-197_37-default-11-2.2
  • kernel-livepatch-4_12_14-197_51-default-8-2.2
  • kernel-livepatch-4_12_14-197_45-default-8-2.2
  • kernel-livepatch-4_12_14-197_40-default-10-2.2
  • kernel-livepatch-4_12_14-197_67-default-5-2.3
  • kernel-livepatch-4_12_14-197_64-default-5-2.2
• SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-24_49-default-debuginfo-3-2.2
  • kernel-livepatch-5_3_18-22-default-9-5.2
  • kernel-livepatch-5_3_18-24_24-default-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_10-debugsource-3-2.2
  • kernel-livepatch-5_3_18-24_46-default-4-2.2
  • kernel-livepatch-5_3_18-24_52-default-debuginfo-2-2.2
  • kernel-livepatch-5_3_18-24_46-default-debuginfo-4-2.2
  • kernel-livepatch-5_3_18-24_37-default-5-2.2
  • kernel-livepatch-5_3_18-24_15-default-7-2.2
  • kernel-livepatch-5_3_18-22-default-debuginfo-9-5.2
  • kernel-livepatch-5_3_18-24_29-default-debuginfo-5-2.2
  • kernel-livepatch-SLE15-SP2_Update_5-debugsource-5-2.2
  • kernel-livepatch-5_3_18-24_9-default-debuginfo-8-2.2
  • kernel-livepatch-5_3_18-24_43-default-4-2.2
  • kernel-livepatch-5_3_18-24_34-default-debuginfo-5-2.2
  • kernel-livepatch-SLE15-SP2_Update_4-debugsource-7-2.2
  • kernel-livepatch-5_3_18-24_12-default-debuginfo-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_11-debugsource-2-2.2
  • kernel-livepatch-SLE15-SP2_Update_6-debugsource-5-2.2
  • kernel-livepatch-5_3_18-24_34-default-5-2.2
  • kernel-livepatch-SLE15-SP2_Update_9-debugsource-4-2.2
  • kernel-livepatch-SLE15-SP2_Update_7-debugsource-5-2.2
  • kernel-livepatch-5_3_18-24_29-default-5-2.2
  • kernel-livepatch-SLE15-SP2_Update_1-debugsource-8-2.2
  • kernel-livepatch-SLE15-SP2_Update_8-debugsource-4-2.2
  • kernel-livepatch-5_3_18-24_12-default-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_0-debugsource-9-5.2
  • kernel-livepatch-5_3_18-24_52-default-2-2.2
  • kernel-livepatch-5_3_18-24_15-default-debuginfo-7-2.2
  • kernel-livepatch-5_3_18-24_49-default-3-2.2
  • kernel-livepatch-5_3_18-24_43-default-debuginfo-4-2.2
  • kernel-livepatch-5_3_18-24_37-default-debuginfo-5-2.2
  • kernel-livepatch-5_3_18-24_24-default-debuginfo-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_2-debugsource-7-2.2
  • kernel-livepatch-SLE15-SP2_Update_3-debugsource-7-2.2
  • kernel-livepatch-5_3_18-24_9-default-8-2.2
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_116-default-9-2.2
  • kgraft-patch-4_4_180-94_124-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_121-default-8-2.2
  • kgraft-patch-4_4_180-94_124-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_135-default-5-2.2
  • kgraft-patch-4_4_180-94_121-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-7-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-5-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_138-default-3-2.2
  • kgraft-patch-4_4_180-94_116-default-debuginfo-9-2.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
  • kgraft-patch-4_4_180-94_116-default-9-2.2
  • kgraft-patch-4_4_180-94_124-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_121-default-8-2.2
  • kgraft-patch-4_4_180-94_124-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_135-default-5-2.2
  • kgraft-patch-4_4_180-94_121-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-7-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-5-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_138-default-3-2.2
  • kgraft-patch-4_4_180-94_116-default-debuginfo-9-2.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_116-default-9-2.2
  • kgraft-patch-4_4_180-94_124-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-7-2.2
  • kgraft-patch-4_4_180-94_121-default-8-2.2
  • kgraft-patch-4_4_180-94_124-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_135-default-5-2.2
  • kgraft-patch-4_4_180-94_121-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-debuginfo-8-2.2
  • kgraft-patch-4_4_180-94_127-default-8-2.2
  • kgraft-patch-4_4_180-94_130-default-7-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-5-2.2
  • kgraft-patch-4_4_180-94_138-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_138-default-3-2.2
  • kgraft-patch-4_4_180-94_116-default-debuginfo-9-2.2
• SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-95_68-default-3-2.2
  • kgraft-patch-4_12_14-95_60-default-7-2.2
  • kgraft-patch-4_12_14-95_57-default-8-2.2
  • kgraft-patch-4_12_14-95_65-default-4-2.2
  • kgraft-patch-4_12_14-95_51-default-10-2.2
  • kgraft-patch-4_12_14-95_54-default-8-2.2
• SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64)
  • kgraft-patch-4_12_14-95_71-default-2-2.2

References:

• https://www.suse.com/security/cve/CVE-2021-27363.html
• https://www.suse.com/security/cve/CVE-2021-27364.html
• https://www.suse.com/security/cve/CVE-2021-27365.html
• https://bugzilla.suse.com/show_bug.cgi?id=1182717
• https://bugzilla.suse.com/show_bug.cgi?id=1183120
• https://bugzilla.suse.com/show_bug.cgi?id=1183491