SUSE-SU-2024:3835-1: important: Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6)

[SLE-UPDATES]

# Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP6)

Announcement ID: SUSE-SU-2024:3835-1  
Release Date: 2024-10-30T18:34:30Z  
Rating: important  
References:

  * bsc#1225819
  * bsc#1228349
  * bsc#1228786

  
Cross-References:

  * CVE-2023-52752
  * CVE-2024-40909
  * CVE-2024-40954

  
CVSS scores:

  * CVE-2023-52752 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-52752 ( 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

  
Affected Products:

  * SUSE Linux Enterprise Live Patching 15-SP6
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 6.4.0-150600_10_5 fixes several issues.

The following security issues were fixed:

  * CVE-2023-52752: smb: client: fix use-after-free bug in
    cifs_debug_data_proc_show() (bsc#1225819).
  * CVE-2024-40954: net: do not leave a dangling sk pointer, when socket
    creation fails (bsc#1227808)
  * 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-SP6  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2024-3835=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
    * kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource-4-150600.1.8.1
    * kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo-4-150600.1.8.1
    * kernel-livepatch-6_4_0-150600_10_5-rt-4-150600.1.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-52752.html
  * https://www.suse.com/security/cve/CVE-2024-40909.html
  * https://www.suse.com/security/cve/CVE-2024-40954.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1225819
  * https://bugzilla.suse.com/show_bug.cgi?id=1228349
  * https://bugzilla.suse.com/show_bug.cgi?id=1228786

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