SUSE-SU-2023:0767-1: important: Security update for the Linux Kernel

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Mon Apr 3 12:30:38 UTC 2023



# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:0767-1  
Rating: important  
References:

  * #1203331
  * #1203332
  * #1207051
  * #1207795
  * #1208700
  * #1209188

  
Cross-References:

  * CVE-2022-36280
  * CVE-2022-38096
  * CVE-2023-0590
  * CVE-2023-23559
  * CVE-2023-26545

  
CVSS scores:

  * CVE-2022-36280 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2022-36280 ( NVD ):  6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
  * CVE-2022-38096 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2022-38096 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-0590 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-0590 ( NVD ):  4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-23559 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
  * CVE-2023-23559 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-26545 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-26545 ( 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 High Performance Computing 12 SP2
  * SUSE Linux Enterprise Server 12 SP2
  * SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

  
  
An update that solves five vulnerabilities and has one fix can now be installed.

## Description:

The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security
and bugfixes.

The following security bugs were fixed:

  * CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation
    failure (bsc#1208700).
  * CVE-2023-23559: Fixed integer overflow in rndis_wlan that leads to a buffer
    overflow (bsc#1207051).
  * CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query()
    (bsc#1203331).
  * CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in
    vmwgfx driver (bsc#1203332).
  * CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795).

## Special Instructions and Notes:

  * Please reboot the system after installing this update.

## Patch Instructions:

To install this SUSE Important 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 Server 12 SP2 BCL 12-SP2  
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-767=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (nosrc x86_64)
    * kernel-default-4.4.121-92.202.5
  * SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    * kernel-default-base-debuginfo-4.4.121-92.202.5
    * kernel-default-devel-4.4.121-92.202.5
    * kernel-default-base-4.4.121-92.202.5
    * kernel-default-debuginfo-4.4.121-92.202.5
    * kernel-syms-4.4.121-92.202.6
    * kernel-default-debugsource-4.4.121-92.202.5
  * SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (noarch)
    * kernel-devel-4.4.121-92.202.6
    * kernel-macros-4.4.121-92.202.6
    * kernel-source-4.4.121-92.202.6

## References:

  * https://www.suse.com/security/cve/CVE-2022-36280.html
  * https://www.suse.com/security/cve/CVE-2022-38096.html
  * https://www.suse.com/security/cve/CVE-2023-0590.html
  * https://www.suse.com/security/cve/CVE-2023-23559.html
  * https://www.suse.com/security/cve/CVE-2023-26545.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1203331
  * https://bugzilla.suse.com/show_bug.cgi?id=1203332
  * https://bugzilla.suse.com/show_bug.cgi?id=1207051
  * https://bugzilla.suse.com/show_bug.cgi?id=1207795
  * https://bugzilla.suse.com/show_bug.cgi?id=1208700
  * https://bugzilla.suse.com/show_bug.cgi?id=1209188

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