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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.2590
    Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP2)
                                27 May 2022

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

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

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-1280  

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20221849-1

Comment: CVSS (Max):  7.0 CVE-2022-1280 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: SUSE
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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SUSE Security Update: Security update for the Linux Kernel (Live Patch 24 for
SLE 15 SP2)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:1849-1
Rating:            important
References:        #1198590 #1199834
Cross-References:  CVE-2022-1280
Affected Products:
                   SUSE Linux Enterprise High Performance Computing 15-SP2
                   SUSE Linux Enterprise High Performance Computing 15-SP3
                   SUSE Linux Enterprise Micro 5.1
                   SUSE Linux Enterprise Module for Live Patching 15-SP2
                   SUSE Linux Enterprise Module for Live Patching 15-SP3
                   SUSE Linux Enterprise Server 15-SP2
                   SUSE Linux Enterprise Server 15-SP3
                   SUSE Linux Enterprise Server for SAP Applications 15-SP2
                   SUSE Linux Enterprise Server for SAP Applications 15-SP3
______________________________________________________________________________

An update that solves one vulnerability and has one errata is now available.

Description:

This update for the Linux Kernel 5.3.18-24_102 fixes several issues.
The following security issue was fixed:

  o CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in
    drivers/gpu/drm/drm_lease.c. This flaw allowed a local user privilege
    attacker to cause a denial of service (DoS) or a kernel information leak
    (bsc#1198590).
  o Add missing module_mutex lock to module notifier for previous live patches
    (bsc#1199834).

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-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-1849=1
  o SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-1848=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-59_10-default-15-150300.2.1
       kernel-livepatch-5_3_18-59_10-default-debuginfo-15-150300.2.1
       kernel-livepatch-SLE15-SP3_Update_2-debugsource-15-150300.2.1
  o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-24_102-default-7-150200.2.1
       kernel-livepatch-5_3_18-24_102-default-debuginfo-7-150200.2.1
       kernel-livepatch-SLE15-SP2_Update_24-debugsource-7-150200.2.1


References:

  o https://www.suse.com/security/cve/CVE-2022-1280.html
  o https://bugzilla.suse.com/1198590
  o https://bugzilla.suse.com/1199834

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