# Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP5)

Announcement ID: SUSE-SU-2023:3659-1  
Rating: important  
References:

  * #1211395
  * #1213063

  
Cross-References:

  * CVE-2023-2156
  * CVE-2023-35001

  
CVSS scores:

  * CVE-2023-2156 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-2156 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-35001 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-35001 ( 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 15.5
  * 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 two vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues.

The following security issues were fixed:

  * CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling
    of the RPL protocol (bsc#1211395).
  * CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder
    that could allow a local attacker to escalate their privilege (bsc#1213063).

## 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 15.5  
    zypper in -t patch SUSE-2023-3659=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3659=1

## Package List:

  * openSUSE Leap 15.5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_1-debugsource-2-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-2-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-2-150500.2.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP5_Update_1-debugsource-2-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-2-150500.2.1
    * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-2-150500.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-2156.html
  * https://www.suse.com/security/cve/CVE-2023-35001.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1211395
  * https://bugzilla.suse.com/show_bug.cgi?id=1213063

openSUSE: 2023:3659-1: important: the Linux Kernel (Live Patch 1 for SLE 15 SP5) Security Advisory Update

September 18, 2023
This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues. The following security issues were fixed: * CVE-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211395). * CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213063).

 

Patch

## 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 15.5 zypper in -t patch SUSE-2023-3659=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3659=1


Package List

* openSUSE Leap 15.5 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP5_Update_1-debugsource-2-150500.2.1 * kernel-livepatch-5_14_21-150500_55_7-default-2-150500.2.1 * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-2-150500.2.1 * SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP5_Update_1-debugsource-2-150500.2.1 * kernel-livepatch-5_14_21-150500_55_7-default-2-150500.2.1 * kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-2-150500.2.1


References

* #1211395 * #1213063 ## References: * https://www.suse.com/security/cve/CVE-2023-2156.html * https://www.suse.com/security/cve/CVE-2023-35001.html * https://bugzilla.suse.com/show_bug.cgi?id=1211395 * https://bugzilla.suse.com/show_bug.cgi?id=1213063


Severity
Announcement ID: SUSE-SU-2023:3659-1
Rating: important

Related News

The End of the Road for Linux 6.11: A Call to Upgrade to Kernel 6.12
3 - 5 min read
The Linux kernel community recently issued an EOL announcement regarding the 6.11 kernel series, urging sysadmins to upgrade quickly to 6.12 . This
A Linux Admin
3 - 6 min read
As 2025 approaches, we Linux admins are facing new and often unseen cloud-native security obstacles. While skilled at mitigating known risks,
Leveraging Insights from the Linux Foundation
3 - 5 min read
The Linux Foundation's recent Census III report provides critical insights for Linux administrators, information security professionals, and anyone
Chrome 131 Released: Emergency Security Update Fixes Over a Dozen Significant Vulns
3 - 6 min read
Google recently unveiled a critical security update to their popular web browser, Google Chrome, addressing over a dozen significant security
From Wayland Fixes to Security Boosts: Examining Qt 6.8.1
3 - 6 min read
The recent Qt 6.8.1 release brings significant updates and improvements, strengthening its reputation as a secure and reliable application
Exploring Arch Linux 2024.12.01: Security Implications & Notable Enhancements for Linux Admins
3 - 6 min read
The Arch Linux 2024.12.01 ISO release marks an impressive milestone, offering cutting-edge updates that enhance functionality, streamline
Deck the Halls with Enhanced Security: Linux Kernel 6.13
3 - 5 min read
As Linux admins and infosec professionals prepare for the holiday season, there's much cause for celebration this year! Linus Torvalds recently made
Lessons from Bootkitty: Securing Linux Systems Against UEFI Intrusions
3 - 5 min read
New Linux security threats mark critical junctures that challenge existing policies and test security protocols to their limit. One such milestone

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved