Operating System:

[SUSE]

Published:

19 April 2022

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.1655
    Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP5)
                               19 April 2022

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

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

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-27666 CVE-2022-22942 

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20221242-1

Comment: CVSS (Max):  7.7 CVE-2022-27666 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H)
         CVSS Source: SUSE
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

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SUSE Security Update: Security update for the Linux Kernel (Live Patch 26 for
SLE 12 SP5)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:1242-1
Rating:            important
References:        #1195951 #1197133
Cross-References:  CVE-2022-22942 CVE-2022-27666
Affected Products:
                   SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-122_103 fixes several issues.
The following security issues were fixed:

  o CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP
    transformation code. This flaw allowed a local attacker with a normal user
    privilege to overwrite kernel heap objects and may cause a local privilege
    escalation. (bnc#1197462)
  o CVE-2022-22942: Fixed stale file descriptors on failed usercopy. (bsc#
    1195065)

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 Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-1242=1
    SUSE-SLE-Live-Patching-12-SP5-2022-1243=1
    SUSE-SLE-Live-Patching-12-SP5-2022-1244=1
    SUSE-SLE-Live-Patching-12-SP5-2022-1245=1

Package List:

  o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
       kgraft-patch-4_12_14-122_103-default-6-2.1
       kgraft-patch-4_12_14-122_71-default-14-2.1
       kgraft-patch-4_12_14-122_74-default-12-2.1
       kgraft-patch-4_12_14-122_77-default-12-2.1


References:

  o https://www.suse.com/security/cve/CVE-2022-22942.html
  o https://www.suse.com/security/cve/CVE-2022-27666.html
  o https://bugzilla.suse.com/1195951
  o https://bugzilla.suse.com/1197133

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