🛡️ SUSE-SU-2023:4201-1 — kernel-livepatch-sle15-sp4-rt-update-1 (CVE-2023-4147 +3 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-150400_15_5 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).
  • CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).
  • CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker with user access to cause a privilege escalation issue (bsc#1212934).

Affected software

SUSE-SU-2023:4201-1 is recorded against 1 package.

  • kernel-livepatch-sle15-sp4-rt-update-1 (fixed in 11-150400.2.3)

Timeline and source

Published on 25 October 2023 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.suse.com (Advisory)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
bugzilla.suse.com (Report)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)
www.suse.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2023-10-25
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel-livepatch-sle15-sp4-rt-update-1 — 11-150400.2.3

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