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openSUSE 15 SP5: 2023:4781-1 Important Local Escalation via Kernel RT Patch

opensuse
Calendar Grey December 13, 2023
Dist Opensuse Esm H88
Tackle urgent local privilege escalation vulnerability found in Linux Kernel RT Patch 7 on openSUSE and SUSE Enterprise systems.
This update for the Linux Kernel 5.14.21-150500_13_24 fixes one issue

Description

This update for the Linux Kernel 5.14.21-150500_13_24 fixes one issue.

The following security issue was fixed:

* CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables

component can be exploited to achieve local privilege escalation.

(bsc#1215097)

Topics%20covered

Topics Covered

security advisory security issue kernel update privilege escalation local escalation openSUSE SUSE Enterprise

Patch

## Patch Instructions:

To install this SUSE 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-2023-4781=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4781=1

Package List

* openSUSE Leap 15.5 (x86_64)

* kernel-livepatch-5_14_21-150500_13_24-rt-2-150500.2.1

* kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-2-150500.2.1

* kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-2-150500.2.1

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

* kernel-livepatch-5_14_21-150500_13_24-rt-2-150500.2.1

* kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-2-150500.2.1

* kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-2-150500.2.1

References

* bsc#1215097

## References:

* https://www.suse.com/security/cve/CVE-2023-3777.html

* https://bugzilla.suse.com/show_bug.cgi?id=1215097

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4781-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue kernel update privilege escalation local escalation openSUSE SUSE Enterprise

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