SUSE-SU-2024:3021-1: important: Security update for the Linux Kernel (Live Patch 50 for SLE 12 SP5)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 50 for SLE 12 SP5)

Announcement ID: SUSE-SU-2024:3021-1  
Rating: important  
References:

  * bsc#1225202

  
Cross-References:

  * CVE-2021-47378

  
CVSS scores:

  * CVE-2021-47378 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Live Patching 12-SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for the Linux Kernel 4.12.14-122_183 fixes one issue.

The following security issue was fixed:

  * CVE-2021-47378: Fixed use-after-free by destroying cm id before destroying
    qp (bsc#1225202).

## 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 12-SP5  
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2024-3021=1 SUSE-SLE-Live-
Patching-12-SP5-2024-3022=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_183-default-12-2.1
    * kgraft-patch-4_12_14-122_176-default-13-2.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47378.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1225202

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