SUSE-SU-2023:1595-1: important: Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)

[sle-updates at lists.suse.com]

# Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP3)

Announcement ID: SUSE-SU-2023:1595-1  
Rating: important  
References:

  * #1207190
  * #1208838
  * #1208909

  
Cross-References:

  * CVE-2023-0266
  * CVE-2023-1078
  * CVE-2023-26545

  
CVSS scores:

  * CVE-2023-0266 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-0266 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1078 ( SUSE ):  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 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise Live Patching 15-SP2
  * SUSE Linux Enterprise Live Patching 15-SP3
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2
  * 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_101 fixes several issues.

The following security issues were fixed:

  * CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation
    failure (bsc#1208700).
  * CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback
    (bsc#1208838).
  * CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM
    package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could
    have been used in a use-after-free that could have resulted in a priviledge
    escalation to gain ring0 access from the system user (bsc#1207190).

## 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-SP3  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-1611=1 SUSE-SLE-
Module-Live-Patching-15-SP3-2023-1595=1

  * SUSE Linux Enterprise Live Patching 15-SP2  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-1606=1 SUSE-SLE-
Module-Live-Patching-15-SP2-2023-1597=1 SUSE-SLE-Module-Live-
Patching-15-SP2-2023-1596=1 SUSE-SLE-Module-Live-Patching-15-SP2-2023-1594=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150300_59_60-default-17-150300.2.3
    * kernel-livepatch-5_3_18-150300_59_101-default-5-150300.2.3
  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-SLE15-SP2_Update_30-debugsource-6-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_139-default-debuginfo-3-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_129-default-debuginfo-6-150200.2.3
    * kernel-livepatch-SLE15-SP2_Update_27-debugsource-12-150200.2.3
    * kernel-livepatch-SLE15-SP2_Update_32-debugsource-3-150200.2.3
    * kernel-livepatch-SLE15-SP2_Update_29-debugsource-9-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_115-default-debuginfo-12-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_126-default-9-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_126-default-debuginfo-9-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_129-default-6-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_115-default-12-150200.2.3
    * kernel-livepatch-5_3_18-150200_24_139-default-3-150200.2.3

## References:

  * https://www.suse.com/security/cve/CVE-2023-0266.html
  * https://www.suse.com/security/cve/CVE-2023-1078.html
  * https://www.suse.com/security/cve/CVE-2023-26545.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1207190
  * https://bugzilla.suse.com/show_bug.cgi?id=1208838
  * https://bugzilla.suse.com/show_bug.cgi?id=1208909

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