SUSE-SU-2024:2121-1: important: Security update for the Linux Kernel (Live Patch 47 for SLE 15 SP2)

[SLE-SECURITY-UPDATES]

# Security update for the Linux Kernel (Live Patch 47 for SLE 15 SP2)

Announcement ID: SUSE-SU-2024:2121-1  
Rating: important  
References:

  * bsc#1210619
  * bsc#1220537
  * bsc#1223059
  * bsc#1223514

  
Cross-References:

  * CVE-2021-46955
  * CVE-2022-48651
  * CVE-2023-1829
  * CVE-2024-26852

  
CVSS scores:

  * CVE-2021-46955 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2022-48651 ( 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-2024-26852 ( 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 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 four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150200_24_188 fixes several issues.

The following security issues were fixed:

  * CVE-2021-46955: Fixed an out-of-bounds read with openvswitch, when
    fragmenting IPv4 packets (bsc#1220537).
  * CVE-2024-26852: Fixed use-after-free in ip6_route_mpath_notify()
    (bsc#1223059).
  * CVE-2022-48651: Fixed an out-of-bound bug in ipvlan caused by unset
    skb->mac_header (bsc#1223514).
  * 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:

  * SUSE Linux Enterprise Live Patching 15-SP2  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-2121=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP2_Update_47-debugsource-3-150200.5.6.2
    * kernel-livepatch-5_3_18-150200_24_188-default-3-150200.5.6.2
    * kernel-livepatch-5_3_18-150200_24_188-default-debuginfo-3-150200.5.6.2

## References:

  * https://www.suse.com/security/cve/CVE-2021-46955.html
  * https://www.suse.com/security/cve/CVE-2022-48651.html
  * https://www.suse.com/security/cve/CVE-2023-1829.html
  * https://www.suse.com/security/cve/CVE-2024-26852.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1210619
  * https://bugzilla.suse.com/show_bug.cgi?id=1220537
  * https://bugzilla.suse.com/show_bug.cgi?id=1223059
  * https://bugzilla.suse.com/show_bug.cgi?id=1223514

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