# Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP4)

Announcement ID: SUSE-SU-2023:3657-1  
Rating: important  
References:

  * #1208839
  * #1211395
  * #1212849
  * #1213063

  
Cross-References:

  * CVE-2023-1077
  * CVE-2023-2156
  * CVE-2023-3090
  * CVE-2023-35001

  
CVSS scores:

  * CVE-2023-1077 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1077 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * 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-2023-3090 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-3090 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 15.4
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise Live Patching 15-SP4
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150400_24_66 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).
  * CVE-2023-1077: Fixed a type confusion in pick_next_rt_entity(), that could
    cause memory corruption (bsc#1208839).
  * CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver
    (bsc#1212849).

## 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-SP4  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3657=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2023-3657=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_66-default-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_13-debugsource-3-150400.2.1
  * openSUSE Leap 15.4 (ppc64le s390x x86_64)
    * kernel-livepatch-5_14_21-150400_24_66-default-3-150400.2.1
    * kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-3-150400.2.1
    * kernel-livepatch-SLE15-SP4_Update_13-debugsource-3-150400.2.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-1077.html
  * https://www.suse.com/security/cve/CVE-2023-2156.html
  * https://www.suse.com/security/cve/CVE-2023-3090.html
  * https://www.suse.com/security/cve/CVE-2023-35001.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1208839
  * https://bugzilla.suse.com/show_bug.cgi?id=1211395
  * https://bugzilla.suse.com/show_bug.cgi?id=1212849
  * https://bugzilla.suse.com/show_bug.cgi?id=1213063

openSUSE: 2023:3657-1: important: the Linux Kernel (Live Patch 13 for SLE 15 SP4) Security Advisory Update

September 18, 2023
This update for the Linux Kernel 5.14.21-150400_24_66 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150400_24_66 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). * CVE-2023-1077: Fixed a type confusion in pick_next_rt_entity(), that could cause memory corruption (bsc#1208839). * CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver (bsc#1212849).

 

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: * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3657=1 * openSUSE Leap 15.4 zypper in -t patch SUSE-2023-3657=1


Package List

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_66-default-3-150400.2.1 * kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-3-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_13-debugsource-3-150400.2.1 * openSUSE Leap 15.4 (ppc64le s390x x86_64) * kernel-livepatch-5_14_21-150400_24_66-default-3-150400.2.1 * kernel-livepatch-5_14_21-150400_24_66-default-debuginfo-3-150400.2.1 * kernel-livepatch-SLE15-SP4_Update_13-debugsource-3-150400.2.1


References

* #1208839 * #1211395 * #1212849 * #1213063 ## References: * https://www.suse.com/security/cve/CVE-2023-1077.html * https://www.suse.com/security/cve/CVE-2023-2156.html * https://www.suse.com/security/cve/CVE-2023-3090.html * https://www.suse.com/security/cve/CVE-2023-35001.html * https://bugzilla.suse.com/show_bug.cgi?id=1208839 * https://bugzilla.suse.com/show_bug.cgi?id=1211395 * https://bugzilla.suse.com/show_bug.cgi?id=1212849 * https://bugzilla.suse.com/show_bug.cgi?id=1213063


Severity
Announcement ID: SUSE-SU-2023:3657-1
Rating: important

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