SUSE-SU-2023:2386-1: important: Security update for the Linux Kernel (Live Patch 39 for SLE 15 SP1)

[sle-updates at lists.suse.com]

# Security update for the Linux Kernel (Live Patch 39 for SLE 15 SP1)

Announcement ID: SUSE-SU-2023:2386-1  
Rating: important  
References:

  * #1207188
  * #1210500
  * #1210662

  
Cross-References:

  * CVE-2023-1989
  * CVE-2023-2162
  * CVE-2023-23454

  
CVSS scores:

  * CVE-2023-1989 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1989 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-2162 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-2162 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  * CVE-2023-23454 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-23454 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise Live Patching 15-SP1
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 4.12.14-150100_197_142 fixes several issues.

The following security issues were fixed:

  * CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).
  * CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create
    (bsc#1210662).
  * CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler
    (bsc#1207188).

## 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 Live Patching 15-SP1  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-2386=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
    * kernel-livepatch-4_12_14-150100_197_142-default-2-150100.2.2

## References:

  * https://www.suse.com/security/cve/CVE-2023-1989.html
  * https://www.suse.com/security/cve/CVE-2023-2162.html
  * https://www.suse.com/security/cve/CVE-2023-23454.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1207188
  * https://bugzilla.suse.com/show_bug.cgi?id=1210500
  * https://bugzilla.suse.com/show_bug.cgi?id=1210662

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