SUSE-SU-2023:4260-1: important: Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP3)

[sle-updates at lists.suse.com]

# Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP3)

Announcement ID: SUSE-SU-2023:4260-1  
Rating: important  
References:

  * bsc#1214812
  * bsc#1215118
  * bsc#1215440

  
Cross-References:

  * CVE-2023-4004
  * CVE-2023-4147
  * CVE-2023-4623

  
CVSS scores:

  * CVE-2023-4004 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-4004 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-4147 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-4147 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-4623 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-4623 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.3
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise Live Patching 15-SP3
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150300_59_130 fixes several issues.

The following security issues were fixed:

  * CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler
    which could be exploited to achieve local privilege escalation
    (bsc#1215440).
  * CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).
  * CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo
    (bsc#1214812).

## 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:

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2023-4260=1

  * SUSE Linux Enterprise Live Patching 15-SP3  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-4260=1

## Package List:

  * openSUSE Leap 15.3 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP3_Update_35-debugsource-3-150300.2.2
    * kernel-livepatch-5_3_18-150300_59_130-default-3-150300.2.2
    * kernel-livepatch-5_3_18-150300_59_130-default-debuginfo-3-150300.2.2
  * openSUSE Leap 15.3 (x86_64)
    * kernel-livepatch-5_3_18-150300_59_130-preempt-debuginfo-3-150300.2.2
    * kernel-livepatch-5_3_18-150300_59_130-preempt-3-150300.2.2
  * SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150300_59_130-default-3-150300.2.2

## References:

  * https://www.suse.com/security/cve/CVE-2023-4004.html
  * https://www.suse.com/security/cve/CVE-2023-4147.html
  * https://www.suse.com/security/cve/CVE-2023-4623.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1214812
  * https://bugzilla.suse.com/show_bug.cgi?id=1215118
  * https://bugzilla.suse.com/show_bug.cgi?id=1215440

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20231030/eee21e59/attachment.htm>