# Security update for the Linux Kernel RT (Live Patch 17 for SLE 15 SP5)

Announcement ID: SUSE-SU-2024:3856-1  
Release Date: 2024-10-31T14:33:37Z  
Rating: important  
References:

  * bsc#1227471
  * bsc#1228349
  * bsc#1228573
  * bsc#1228786

  
Cross-References:

  * CVE-2021-47598
  * CVE-2024-40909
  * CVE-2024-40954
  * CVE-2024-41059

  
CVSS scores:

  * 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-2024-40909 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40909 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40954 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40954 ( 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:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Live Patching 15-SP5
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_13_61 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47598: sch_cake: do not call cake_destroy() from cake_init()
    (bsc#1227471).
  * CVE-2024-40954: net: do not leave a dangling sk pointer, when socket
    creation fails (bsc#1227808)
  * CVE-2024-41059: hfsplus: fix uninit-value in copy_name (bsc#1228573).
  * CVE-2024-40909: bpf: Fix a potential use-after-free in bpf_link_free()
    (bsc#1228349).

## 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-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-3856=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2024-3856=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
    * kernel-livepatch-SLE15-SP5-RT_Update_17-debugsource-3-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_61-rt-3-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_61-rt-debuginfo-3-150500.11.6.1
  * openSUSE Leap 15.5 (x86_64)
    * kernel-livepatch-SLE15-SP5-RT_Update_17-debugsource-3-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_61-rt-3-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_61-rt-debuginfo-3-150500.11.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47598.html
  * https://www.suse.com/security/cve/CVE-2024-40909.html
  * https://www.suse.com/security/cve/CVE-2024-40954.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=1228349
  * https://bugzilla.suse.com/show_bug.cgi?id=1228573
  * https://bugzilla.suse.com/show_bug.cgi?id=1228786