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openSUSE 15 SP5: SUSE-SU-2023:4867-1 Important Local Privilege Escalation

opensuse
Calendar Grey December 14, 2023
Scroller Opensuse Esm H88
Red Hat's latest update highlights significant vulnerabilities in the kernel for RHEL 8. Protect your infrastructure now!
This update for the Linux Kernel 5.14.21-150500_55_31 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150500_55_31 fixes several issues.

The following security issues were 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)

* CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to

unsafe code paths being incorrectly marked as safe, resulting in arbitrary

read/write in kernel memory, lateral privilege escalation, and container

escape. (bsc#1215519)

Topics%20covered

Topics Covered

security advisory kernel update local privilege escalation important SUSE use-after-free live patching

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 15.4

zypper in -t patch SUSE-2023-4867=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-4867=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2023-4864=1

* SUSE Linux Enterprise Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4864=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_92-default-debuginfo-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_19-debugsource-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_92-default-2-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_92-default-debuginfo-2-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_19-debugsource-2-150400.2.1

* kernel-livepatch-5_14_21-150400_24_92-default-2-150400.2.1

* openSUSE Leap 15.5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_6-debugsource-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_31-default-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_31-default-debuginfo-2-150500.2.1

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-livepatch-SLE15-SP5_Update_6-debugsource-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_31-default-2-150500.2.1

* kernel-livepatch-5_14_21-150500_55_31-default-debuginfo-2-150500.2.1

References

* bsc#1215097

* bsc#1215519

## References:

* https://www.suse.com/security/cve/CVE-2023-2163.html

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

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

* https://bugzilla.suse.com/show_bug.cgi?id=1215519

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4867-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update local privilege escalation important SUSE use-after-free live patching

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