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openSUSE 15 SP4: 2023:4165-1 Important Kernel RT Patch for Privileges

opensuse
Calendar Grey October 24, 2023
Dist Opensuse Esm H88
Crucial security enhancement released for openSUSE Linux Kernel RT targeting significant vulnerabilities and offering patch implementation instructions.
This update for the Linux Kernel 5.14.21-150400_15_46 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150400_15_46 fixes several issues.

The following security issues were fixed:

* CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).

* CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler

which could be exploited to achieve local privilege escalation

(bsc#1215440).

Topics%20covered

Topics Covered

security advisory security issue privilege escalation kernel patch openSUSE

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-2023-4165=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4165=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-4168=1

Package List

* openSUSE Leap 15.5 (x86_64)

* kernel-livepatch-5_14_21-150500_13_11-rt-3-150500.2.1

* kernel-livepatch-5_14_21-150500_13_11-rt-debuginfo-3-150500.2.1

* kernel-livepatch-SLE15-SP5-RT_Update_3-debugsource-3-150500.2.1

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

* kernel-livepatch-5_14_21-150500_13_11-rt-3-150500.2.1

* kernel-livepatch-5_14_21-150500_13_11-rt-debuginfo-3-150500.2.1

* kernel-livepatch-SLE15-SP5-RT_Update_3-debugsource-3-150500.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)

* kernel-livepatch-5_14_21-150400_15_46-rt-3-150400.2.1

* kernel-livepatch-SLE15-SP4-RT_Update_11-debugsource-3-150400.2.1

* kernel-livepatch-5_14_21-150400_15_46-rt-debuginfo-3-150400.2.1

References

* bsc#1215118

* bsc#1215440

## References:

* https://www.suse.com/security/cve/CVE-2023-4147.html

* https://www.suse.com/security/cve/CVE-2023-4623.html

* https://bugzilla.suse.com/show_bug.cgi?id=1215118

* https://bugzilla.suse.com/show_bug.cgi?id=1215440

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4165-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue privilege escalation kernel patch openSUSE

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