# Security update for the Linux Kernel (Live Patch 50 for SLE 15 SP2)

Announcement ID: SUSE-SU-2024:3768-1  
Release Date: 2024-10-29T06:03:43Z  
Rating: important  
References:

  * bsc#1227471
  * bsc#1227472
  * bsc#1227651
  * bsc#1228573

  
Cross-References:

  * CVE-2021-47291
  * CVE-2021-47598
  * CVE-2021-47600
  * CVE-2024-41059

  
CVSS scores:

  * CVE-2021-47291 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47598 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47598 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47600 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47600 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-41059 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-41059 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-41059 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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_197 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47600: dm btree remove: fix use after free in rebalance_children()
    (bsc#1227472).
  * CVE-2021-47598: sch_cake: do not call cake_destroy() from cake_init()
    (bsc#1227471).
  * CVE-2021-47291: ipv6: fix another slab-out-of-bounds in
    fib6_nh_flush_exceptions (bsc#1227651).
  * CVE-2024-41059: hfsplus: fix uninit-value in copy_name (bsc#1228573).

## 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-SP2-2024-3768=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150200_24_197-default-debuginfo-3-150200.5.6.1
    * kernel-livepatch-5_3_18-150200_24_197-default-3-150200.5.6.1
    * kernel-livepatch-SLE15-SP2_Update_50-debugsource-3-150200.5.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47291.html
  * https://www.suse.com/security/cve/CVE-2021-47598.html
  * https://www.suse.com/security/cve/CVE-2021-47600.html
  * https://www.suse.com/security/cve/CVE-2024-41059.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1227471
  * https://bugzilla.suse.com/show_bug.cgi?id=1227472
  * https://bugzilla.suse.com/show_bug.cgi?id=1227651
  * https://bugzilla.suse.com/show_bug.cgi?id=1228573