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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.2548
    Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP3)
                               28 July 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Root Compromise   -- Existing Account
                   Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-33909 CVE-2021-22555 CVE-2020-36385

Reference:         ESB-2021.2512
                   ESB-2021.2511

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20212538-1

- --------------------------BEGIN INCLUDED TEXT--------------------

SUSE Security Update: Security update for the Linux Kernel (Live Patch 36 for
SLE 12 SP3)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:2538-1
Rating:            important
References:        #1187052 #1188117 #1188257
Cross-References:  CVE-2020-36385 CVE-2021-22555 CVE-2021-33909
Affected Products:
                   SUSE Linux Enterprise Server for SAP 12-SP3
                   SUSE Linux Enterprise Server 12-SP3-LTSS
                   SUSE Linux Enterprise Module for Live Patching 15-SP2
                   SUSE Linux Enterprise Module for Live Patching 15-SP1
                   SUSE Linux Enterprise Module for Live Patching 15
                   SUSE Linux Enterprise Live Patching 12-SP5
                   SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.180-94_135 fixes several issues.
The following security issues were fixed:

  o CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that
    allows to andobtain full root privileges. (bsc#1188062)
  o CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/
    x_tables.c that could allow local provilege escalation. (bsc#1188116)
  o 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 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:

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

Package List:

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


References:

  o https://www.suse.com/security/cve/CVE-2020-36385.html
  o https://www.suse.com/security/cve/CVE-2021-22555.html
  o https://www.suse.com/security/cve/CVE-2021-33909.html
  o https://bugzilla.suse.com/1187052
  o https://bugzilla.suse.com/1188117
  o https://bugzilla.suse.com/1188257

- --------------------------END INCLUDED TEXT--------------------

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