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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.0707
        SUSE Security Update: Security update for the Linux Kernel
                       (Live Patch 6 for SLE 15 SP3)
                             18 February 2022

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

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

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-0435 CVE-2021-4202 CVE-2021-4083

Reference:         ESB-2022.0679
                   ESB-2022.0678

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20220463-1

Comment: CVSS (Max):  8.1 CVE-2022-0435 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: SUSE

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SUSE Security Update: Security update for the Linux Kernel (Live 

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:0463-1
Rating:            critical
References:        #1194460 #1194533 #1195308
Cross-References:  CVE-2021-4083 CVE-2021-4202 CVE-2022-0435
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
______________________________________________________________________________

Patch 6 for
SLE 15 SP3)

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-59_24 fixes several issues.
The following security issues were fixed:

  o CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#
    1194533).
  o CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate
    domain record count on input (bsc#1195308).
  o CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage
    collection for Unix domain socket file handlers when users call close() and
    fget() simultaneouslyand can potentially trigger a race condition (bnc#
    1194460).

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-SP3-2022-461=1
    SUSE-SLE-Module-Live-Patching-15-SP3-2022-462=1
    SUSE-SLE-Module-Live-Patching-15-SP3-2022-463=1
    SUSE-SLE-Module-Live-Patching-15-SP3-2022-464=1
  o SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-460=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-9-150300.2.2
       kernel-livepatch-5_3_18-59_10-default-debuginfo-9-150300.2.2
       kernel-livepatch-5_3_18-59_24-default-5-150300.2.2
       kernel-livepatch-5_3_18-59_24-default-debuginfo-5-150300.2.2
       kernel-livepatch-5_3_18-59_27-default-5-150300.2.2
       kernel-livepatch-5_3_18-59_27-default-debuginfo-5-150300.2.2
       kernel-livepatch-5_3_18-59_5-default-9-150300.2.2
       kernel-livepatch-5_3_18-59_5-default-debuginfo-9-150300.2.2
       kernel-livepatch-SLE15-SP3_Update_1-debugsource-9-150300.2.2
       kernel-livepatch-SLE15-SP3_Update_2-debugsource-9-150300.2.2
       kernel-livepatch-SLE15-SP3_Update_6-debugsource-5-150300.2.2
       kernel-livepatch-SLE15-SP3_Update_7-debugsource-5-150300.2.2
  o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-24_52-default-14-2.2
       kernel-livepatch-5_3_18-24_52-default-debuginfo-14-2.2
       kernel-livepatch-SLE15-SP2_Update_11-debugsource-14-2.2


References:

  o https://www.suse.com/security/cve/CVE-2021-4083.html
  o https://www.suse.com/security/cve/CVE-2021-4202.html
  o https://www.suse.com/security/cve/CVE-2022-0435.html
  o https://bugzilla.suse.com/1194460
  o https://bugzilla.suse.com/1194533
  o https://bugzilla.suse.com/1195308

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