SUSE-SU-2023:4835-1: important: Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP2)

[null at suse.de]

# Security update for the Linux Kernel (Live Patch 41 for SLE 15 SP2)

Announcement ID: SUSE-SU-2023:4835-1  
Rating: important  
References:

  * bsc#1215519

  
Cross-References:

  * CVE-2023-2163

  
CVSS scores:

  * CVE-2023-2163 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  * CVE-2023-2163 ( NVD ):  10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise Live Patching 15-SP2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150200_24_166 fixes one issue.

The following security issue was fixed:

  * CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to
    unsafe code paths being incorrectly marked as safe, resulting in arbitrary
    read/write in kernel memory, lateral privilege escalation, and container
    escape. (bsc#1215519)

## 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:

  * SUSE Linux Enterprise Live Patching 15-SP2  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-4835=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP2_Update_41-debugsource-3-150200.2.1
    * kernel-livepatch-5_3_18-150200_24_166-default-debuginfo-3-150200.2.1
    * kernel-livepatch-5_3_18-150200_24_166-default-3-150200.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-2163.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1215519

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