SUSE-SU-2023:4319-1: important: Security update for the Linux Kernel (Live Patch 49 for SLE 12 SP5)

[sle-updates at lists.suse.com]

# Security update for the Linux Kernel (Live Patch 49 for SLE 12 SP5)

Announcement ID: SUSE-SU-2023:4319-1  
Rating: important  
References:

  * bsc#1209683
  * bsc#1210619

  
Cross-References:

  * CVE-2023-1281
  * CVE-2023-1829

  
CVSS scores:

  * CVE-2023-1281 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1281 ( NVD ):  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

  
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 two vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 4.12.14-122_179 fixes several issues.

The following security issues were fixed:

  * CVE-2023-1829: Fixed a use-after-free vulnerability in the control index
    filter (tcindex) (bsc#1210619).
  * CVE-2023-1281: Fixed use after free that could lead to privilege escalation
    in tcindex (bsc#1209683).

## 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-SP5-2023-4319=1

## Package List:

  * SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    * kgraft-patch-4_12_14-122_179-default-2-2.2

## References:

  * https://www.suse.com/security/cve/CVE-2023-1281.html
  * https://www.suse.com/security/cve/CVE-2023-1829.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1209683
  * https://bugzilla.suse.com/show_bug.cgi?id=1210619

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