# Security update for the Linux Kernel (Live Patch 44 for SLE 15 SP3)

Announcement ID: SUSE-SU-2024:2369-1  
Rating: important  
References:

  * bsc#1210619
  * bsc#1223363
  * bsc#1223683
  * bsc#1225211

  
Cross-References:

  * CVE-2021-47383
  * CVE-2023-1829
  * CVE-2024-26828
  * CVE-2024-26923

  
CVSS scores:

  * CVE-2021-47383 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1829 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1829 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26828 ( SUSE ):  7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
  * CVE-2024-26923 ( SUSE ):  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 15.3
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise Live Patching 15-SP3
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150300_59_161 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47383: Fixed out-of-bound vmalloc access in imageblit
    (bsc#1225211).
  * CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in
    __unix_gc() (bsc#1223683).
  * CVE-2024-26828: Fixed underflow in parse_server_interfaces() (bsc#1223363).
  * CVE-2023-1829: Fixed a use-after-free vulnerability in the control index
    filter (tcindex) (bsc#1210619).

## 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 15.3  
    zypper in -t patch SUSE-2024-2369=1

  * SUSE Linux Enterprise Live Patching 15-SP3  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2024-2369=1

## Package List:

  * openSUSE Leap 15.3 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP3_Update_44-debugsource-3-150300.7.6.1
    * kernel-livepatch-5_3_18-150300_59_161-default-3-150300.7.6.1
    * kernel-livepatch-5_3_18-150300_59_161-default-debuginfo-3-150300.7.6.1
  * openSUSE Leap 15.3 (x86_64)
    * kernel-livepatch-5_3_18-150300_59_161-preempt-3-150300.7.6.1
    * kernel-livepatch-5_3_18-150300_59_161-preempt-debuginfo-3-150300.7.6.1
  * SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150300_59_161-default-3-150300.7.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47383.html
  * https://www.suse.com/security/cve/CVE-2023-1829.html
  * https://www.suse.com/security/cve/CVE-2024-26828.html
  * https://www.suse.com/security/cve/CVE-2024-26923.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1210619
  * https://bugzilla.suse.com/show_bug.cgi?id=1223363
  * https://bugzilla.suse.com/show_bug.cgi?id=1223683
  * https://bugzilla.suse.com/show_bug.cgi?id=1225211