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openSUSE 15.5 Advisory: SUSE-SU-2023:3153-1 Important Kernel Threats

opensuse
Calendar Grey August 2, 2023
Scroller Opensuse
Critical announcement about Linux Kernel RT (Live Patch 0) tackling several security vulnerabilities along with proposed fixes.
This update for the Linux Kernel 5.14.21-150500_11 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150500_11 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).

Topics%20covered

Topics Covered

security advisory privilege escalation important kernel SUSE out-of-bounds live patch

Patch

## 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-2023-3153=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3153=1

Package List

* openSUSE Leap 15.5 (x86_64)

* kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-2-150500.3.1

* kernel-livepatch-5_14_21-150500_11-rt-2-150500.3.1

* kernel-livepatch-5_14_21-150500_11-rt-debuginfo-2-150500.3.1

* SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)

* kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-2-150500.3.1

* kernel-livepatch-5_14_21-150500_11-rt-2-150500.3.1

* kernel-livepatch-5_14_21-150500_11-rt-debuginfo-2-150500.3.1

References

* #1210566

* #1210987

* #1212348

* #1212509

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:3153-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important kernel SUSE out-of-bounds live patch

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