SUSE-SU-2024:4206-1: important: Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP5)

Announcement ID: SUSE-SU-2024:4206-1  
Release Date: 2024-12-05T15:33:35Z  
Rating: important  
References:

  * bsc#1225429
  * bsc#1225733
  * bsc#1229273
  * bsc#1229553

  
Cross-References:

  * CVE-2021-47517
  * CVE-2024-35949
  * CVE-2024-36904
  * CVE-2024-43861

  
CVSS scores:

  * CVE-2021-47517 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2024-35949 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-36904 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-43861 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-43861 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

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

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_55_44 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool
    (bsc#1225429).
  * CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique()
    (bsc#1225733).
  * CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553).
  * CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks
    (bsc#1229273).

## 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 15.5  
    zypper in -t patch SUSE-2024-4206=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-4206=1

## Package List:

  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_44-default-debuginfo-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_44-default-13-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_9-debugsource-13-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150500_55_44-default-debuginfo-13-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_44-default-13-150500.2.1
    * kernel-livepatch-SLE15-SP5_Update_9-debugsource-13-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47517.html
  * https://www.suse.com/security/cve/CVE-2024-35949.html
  * https://www.suse.com/security/cve/CVE-2024-36904.html
  * https://www.suse.com/security/cve/CVE-2024-43861.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1225429
  * https://bugzilla.suse.com/show_bug.cgi?id=1225733
  * https://bugzilla.suse.com/show_bug.cgi?id=1229273
  * https://bugzilla.suse.com/show_bug.cgi?id=1229553

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