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             AUSCERT External Security Bulletin Redistribution

                               ESB-2023.0657
    Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP2)
                              6 February 2023

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

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

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-3424 CVE-2022-2602 

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2023/suse-su-20230245-1

Comment: CVSS (Max):  7.8 CVE-2022-2602 (CVSS:3.1/AV:L/AC:L/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:L/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 26 for
SLE 15 SP2)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2023:0245-1
Rating:            important
References:        #1204167 #1205186
Cross-References:  CVE-2022-2602 CVE-2022-3424
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 fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 5.3.18-150200_24_112 fixes several issues.
The following security issues were fixed:

  o CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault
    () and gru_handle_user_call_os() that could lead to kernel panic (bsc#
    1204167).
  o CVE-2022-2602: Fixed a local privilege escalation vulnerability involving
    Unix socket Garbage Collection and io_uring (bsc#1205186).

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-SP3-2023-245=1
    SUSE-SLE-Module-Live-Patching-15-SP3-2023-246=1
    SUSE-SLE-Module-Live-Patching-15-SP3-2023-247=1
  o SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-241=1
    SUSE-SLE-Module-Live-Patching-15-SP2-2023-243=1
    SUSE-SLE-Module-Live-Patching-15-SP2-2023-244=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-150300_59_71-default-10-150300.2.1
       kernel-livepatch-5_3_18-150300_59_90-default-7-150300.2.1
       kernel-livepatch-5_3_18-150300_59_93-default-6-150300.2.1
  o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x
    x86_64):
       kernel-livepatch-5_3_18-150200_24_112-default-12-150200.2.2
       kernel-livepatch-5_3_18-150200_24_112-default-debuginfo-12-150200.2.2
       kernel-livepatch-5_3_18-24_102-default-17-150200.2.2
       kernel-livepatch-5_3_18-24_102-default-debuginfo-17-150200.2.2
       kernel-livepatch-5_3_18-24_107-default-16-150200.2.2
       kernel-livepatch-5_3_18-24_107-default-debuginfo-16-150200.2.2
       kernel-livepatch-SLE15-SP2_Update_24-debugsource-17-150200.2.2
       kernel-livepatch-SLE15-SP2_Update_26-debugsource-12-150200.2.2
  o SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le x86_64):
       kernel-livepatch-SLE15-SP2_Update_25-debugsource-16-150200.2.2


References:

  o https://www.suse.com/security/cve/CVE-2022-2602.html
  o https://www.suse.com/security/cve/CVE-2022-3424.html
  o https://bugzilla.suse.com/1204167
  o https://bugzilla.suse.com/1205186

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