Operating System:

[SUSE]

Published:

12 February 2021

Protect yourself against future threats.

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

                               ESB-2021.0529
    Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP1)
                             12 February 2021

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

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

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Root Compromise                 -- Existing Account      
                   Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Existing Account      
                   Access Confidential Data        -- Existing Account      
                   Unauthorised Access             -- Existing Account      
                   Reduced Security                -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-36158 CVE-2020-29661 CVE-2020-29660
                   CVE-2020-29569 CVE-2020-29368 CVE-2020-0466
                   CVE-2020-0465  

Reference:         ESB-2021.0501
                   ESB-2021.0348
                   ESB-2020.4417

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20210377-1

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_____________________________________________________________________________

Announcement ID:   SUSE-SU-2021:0377-1
Rating:            important
References:        #1179664 #1179877 #1180008 #1180030 #1180032 #1180562
Cross-References:  CVE-2020-0465 CVE-2020-0466 CVE-2020-29368 CVE-2020-29569
                   CVE-2020-29660 CVE-2020-29661 CVE-2020-36158
Affected Products:
                   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 7 vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-197_48 fixes several issues.
The following security issues were fixed:

  o CVE-2020-36158: Fixed a potential remote code execution in the Marvell
    mwifiex driver (bsc#1180562).
  o CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c
    that could have led to local privilege escalation (bnc#1180030).
  o CVE-2020-0466: Fixed a use-after-free due to a logic error in do_epoll_ctl
    and ep_loop_check_proc of eventpoll.c (bnc#1180032.
  o CVE-2020-29569: Fixed a use after free due to a logic error (bsc#1180008).
  o CVE-2020-29660: Fixed a locking inconsistency in the tty subsystem that may
    have allowed a read-after-free attack against TIOCGSID (bsc#1179877).
  o CVE-2020-29661: Fixed a locking issue in the tty subsystem that allowed a
    use-after-free attack against TIOCSPGRP (bsc#1179877).
  o CVE-2020-29368: Fixed an issue in copy-on-write implementation which could
    grant unintended write access because of a race condition in a THP mapcount
    check (bsc#1179664).

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 Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-370=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-371=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-372=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-373=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-374=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-375=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-376=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-377=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-378=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-379=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-380=1
    SUSE-SLE-Module-Live-Patching-15-SP1-2021-381=1
  o SUSE Linux Enterprise Module for Live Patching 15:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-382=1
    SUSE-SLE-Module-Live-Patching-15-2021-383=1
    SUSE-SLE-Module-Live-Patching-15-2021-384=1
    SUSE-SLE-Module-Live-Patching-15-2021-385=1
  o SUSE Linux Enterprise Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-387=1
    SUSE-SLE-Live-Patching-12-SP5-2021-388=1
    SUSE-SLE-Live-Patching-12-SP5-2021-389=1
    SUSE-SLE-Live-Patching-12-SP5-2021-390=1
    SUSE-SLE-Live-Patching-12-SP5-2021-391=1
    SUSE-SLE-Live-Patching-12-SP5-2021-392=1
    SUSE-SLE-Live-Patching-12-SP5-2021-393=1
    SUSE-SLE-Live-Patching-12-SP5-2021-394=1
    SUSE-SLE-Live-Patching-12-SP5-2021-395=1
    SUSE-SLE-Live-Patching-12-SP5-2021-396=1
    SUSE-SLE-Live-Patching-12-SP5-2021-397=1
  o SUSE Linux Enterprise Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-398=1
    SUSE-SLE-Live-Patching-12-SP4-2021-399=1
    SUSE-SLE-Live-Patching-12-SP4-2021-400=1
    SUSE-SLE-Live-Patching-12-SP4-2021-401=1
    SUSE-SLE-Live-Patching-12-SP4-2021-402=1
    SUSE-SLE-Live-Patching-12-SP4-2021-403=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
       kernel-livepatch-4_12_14-197_34-default-9-2.2
       kernel-livepatch-4_12_14-197_37-default-9-2.2
       kernel-livepatch-4_12_14-197_40-default-8-2.2
       kernel-livepatch-4_12_14-197_45-default-6-2.2
       kernel-livepatch-4_12_14-197_48-default-6-2.1
       kernel-livepatch-4_12_14-197_51-default-6-2.1
       kernel-livepatch-4_12_14-197_56-default-5-2.1
       kernel-livepatch-4_12_14-197_61-default-4-2.1
       kernel-livepatch-4_12_14-197_64-default-3-2.1
       kernel-livepatch-4_12_14-197_67-default-3-2.1
       kernel-livepatch-4_12_14-197_72-default-2-2.1
       kernel-livepatch-4_12_14-197_75-default-2-2.1
  o SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
       kernel-livepatch-4_12_14-150_52-default-6-2.2
       kernel-livepatch-4_12_14-150_52-default-debuginfo-6-2.2
       kernel-livepatch-4_12_14-150_55-default-6-2.1
       kernel-livepatch-4_12_14-150_55-default-debuginfo-6-2.1
       kernel-livepatch-4_12_14-150_58-default-5-2.1
       kernel-livepatch-4_12_14-150_58-default-debuginfo-5-2.1
       kernel-livepatch-4_12_14-150_63-default-3-2.1
       kernel-livepatch-4_12_14-150_63-default-debuginfo-3-2.1
  o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
       kgraft-patch-4_12_14-122_17-default-9-2.2
       kgraft-patch-4_12_14-122_20-default-8-2.2
       kgraft-patch-4_12_14-122_23-default-6-2.2
       kgraft-patch-4_12_14-122_26-default-6-2.2
       kgraft-patch-4_12_14-122_29-default-6-2.1
       kgraft-patch-4_12_14-122_32-default-6-2.1
       kgraft-patch-4_12_14-122_37-default-5-2.1
       kgraft-patch-4_12_14-122_41-default-4-2.1
       kgraft-patch-4_12_14-122_46-default-3-2.1
       kgraft-patch-4_12_14-122_51-default-3-2.1
       kgraft-patch-4_12_14-122_54-default-2-2.1
  o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
       kgraft-patch-4_12_14-95_51-default-8-2.2
       kgraft-patch-4_12_14-95_54-default-6-2.2
       kgraft-patch-4_12_14-95_57-default-6-2.1
       kgraft-patch-4_12_14-95_60-default-5-2.1
       kgraft-patch-4_12_14-95_65-default-2-2.1
  o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64):
       kgraft-patch-4_12_14-95_48-default-9-2.2


References:

  o https://www.suse.com/security/cve/CVE-2020-0465.html
  o https://www.suse.com/security/cve/CVE-2020-0466.html
  o https://www.suse.com/security/cve/CVE-2020-29368.html
  o https://www.suse.com/security/cve/CVE-2020-29569.html
  o https://www.suse.com/security/cve/CVE-2020-29660.html
  o https://www.suse.com/security/cve/CVE-2020-29661.html
  o https://www.suse.com/security/cve/CVE-2020-36158.html
  o https://bugzilla.suse.com/1179664
  o https://bugzilla.suse.com/1179877
  o https://bugzilla.suse.com/1180008
  o https://bugzilla.suse.com/1180030
  o https://bugzilla.suse.com/1180032
  o https://bugzilla.suse.com/1180562

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