A Linux Kernel (Live Patch 0 for SLE 15 SP5) security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise 15 SP5.

SUSE-SU-2023:3116-1: important: Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)

# Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP5)

Announcement ID: SUSE-SU-2023:3116-1
Rating: important
References:

* #1210566
* #1210987
* #1212348
* #1212509

Cross-References:

* CVE-2023-2002
* CVE-2023-2235
* CVE-2023-33952
* CVE-2023-35788

CVSS scores:

* CVE-2023-2002 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-2002 ( NVD ): 6.8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
* CVE-2023-2235 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-2235 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-33952 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
* CVE-2023-33952 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-35788 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2023-35788 ( 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 Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves four vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_53 fixes several issues.

The following security issues were fixed:

* * CVE-2023-33952: Fixed a vmwgfx Driver Double Free Local Privilege
Escalation Vulnerability (bsc#1212348).
* CVE-2023-35788: Fixed an out-of-bounds write in the flower classifier code
via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets in fl_set_geneve_opt in
net/sched/cls_flower.c (bsc#1212509).
* CVE-2023-2235: Fixed an use-after-free in the Performance Events system can
be exploited to achieve local privilege escalation (bsc#1210987).
* CVE-2023-2002: Fixed a flaw that allowed an attacker to unauthorized
execution of management commands, compromising the confidentiality,
integrity, and availability of Bluetooth communication (bsc#1210566).

## 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:

* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3116=1

* SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3116=1

## Package List:

* openSUSE Leap 15.5 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150500_53-default-2-150500.3.1
* kernel-livepatch-SLE15-SP5_Update_0-debugsource-2-150500.3.1
* kernel-livepatch-5_14_21-150500_53-default-debuginfo-2-150500.3.1
* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150500_53-default-2-150500.3.1
* kernel-livepatch-SLE15-SP5_Update_0-debugsource-2-150500.3.1
* kernel-livepatch-5_14_21-150500_53-default-debuginfo-2-150500.3.1

## References:

* https://www.suse.com/security/cve/CVE-2023-2002.html
* https://www.suse.com/security/cve/CVE-2023-2235.html
* https://www.suse.com/security/cve/CVE-2023-33952.html
* https://www.suse.com/security/cve/CVE-2023-35788.html
* https://bugzilla.suse.com/show_bug.cgi?id=1210566
* https://bugzilla.suse.com/show_bug.cgi?id=1210987
* https://bugzilla.suse.com/show_bug.cgi?id=1212348
* https://bugzilla.suse.com/show_bug.cgi?id=1212509