SUSE-SU-2024:0421-1: important: Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP4)

SLE-SECURITY-UPDATES null at suse.de
Wed Feb 7 20:30:02 UTC 2024 


# Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP4)

Announcement ID: SUSE-SU-2024:0421-1  
Rating: important  
References:

  * bsc#1216044
  * bsc#1217522
  * bsc#1218255

  
Cross-References:

  * CVE-2023-5178
  * CVE-2023-6176
  * CVE-2023-6932

  
CVSS scores:

  * CVE-2023-5178 ( SUSE ):  7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-5178 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6176 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6176 ( NVD ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-6932 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-6932 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.4
  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150400_24_41 fixes several issues.

The following security issues were fixed:

  * CVE-2023-6932: Fixed a use-after-free vulnerability in the ipv4 igmp
    component that could lead to local privilege escalation (bsc#1218255).
  * CVE-2023-6176: Fixed a denial of service in the cryptographic algorithm
    scatterwalk functionality (bsc#1217522).
  * CVE-2023-5178: Fixed a use-after-free vulnerability in queue intialization
    setup (bsc#1215768).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2024-420=1 SUSE-2024-421=1 SUSE-2024-422=1

  * SUSE Linux Enterprise Live Patching 15-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-422=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2024-420=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2024-421=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2024-419=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-419=1

## Package List:

  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_81-default-debuginfo-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_41-default-12-150400.2.2
    * kernel-livepatch-SLE15-SP4_Update_18-debugsource-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_16-debugsource-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_88-default-4-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_88-default-debuginfo-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_7-debugsource-12-150400.2.2
    * kernel-livepatch-5_14_21-150400_24_81-default-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_41-default-debuginfo-12-150400.2.2
  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_81-default-debuginfo-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_41-default-12-150400.2.2
    * kernel-livepatch-SLE15-SP4_Update_18-debugsource-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_16-debugsource-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_88-default-4-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_88-default-debuginfo-4-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_7-debugsource-12-150400.2.2
    * kernel-livepatch-5_14_21-150400_24_81-default-5-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_41-default-debuginfo-12-150400.2.2
  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-6-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_1-debugsource-6-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-6-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-6-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_1-debugsource-6-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-5178.html
  * https://www.suse.com/security/cve/CVE-2023-6176.html
  * https://www.suse.com/security/cve/CVE-2023-6932.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1216044
  * https://bugzilla.suse.com/show_bug.cgi?id=1217522
  * https://bugzilla.suse.com/show_bug.cgi?id=1218255

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