Race condition within a thread in Linux kernel - CVE-2023-54218

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Main Vulnerability Database Vulnerabilities #VU120843

Race condition within a thread in Linux kernel - CVE-2023-54218

Published: December 30, 2025 / Updated: December 30, 2025


Vulnerability identifier: #VU120843
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-54218
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to corrupt data.

The vulnerability exists due to a data race within the include/net/sock.h. A local user can corrupt data.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Live Patching
openEuler
kgraft-patch-4_12_14-122_293-default
ocfs2-kmp-default-debuginfo
kernel-default-kgraft
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-base
kernel-default-debuginfo
ocfs2-kmp-default
kernel-default-devel
kernel-syms
gfs2-kmp-default-debuginfo
kernel-source
kernel-devel
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
kernel-default-debugsource
kernel-default-kgraft-devel
kernel-default
bpftool
kernel
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo

How to mitigate CVE-2023-54218

Install update from vendor's repository.

Linux kernel - update to 4.14.316
kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.293.1
kernel-default-kgraft - update to 4.12.14-122.293.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.293.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
gfs2-kmp-default - update to 4.12.14-122.293.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.293.1
dlm-kmp-default - update to 4.12.14-122.293.1
cluster-md-kmp-default - update to 4.12.14-122.293.1
kernel-default-base - update to 4.12.14-122.293.1
kernel-default-debuginfo - update to 4.12.14-122.293.1
ocfs2-kmp-default - update to 4.12.14-122.293.1
kernel-default-devel - update to 4.12.14-122.293.1
kernel-syms - update to 4.12.14-122.293.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.293.1
kernel-source - update to 4.12.14-122.293.1
kernel-devel - update to 4.12.14-122.293.1
kernel-macros - update to 4.12.14-122.293.1
kernel-default-man - update to 4.12.14-122.293.1
kernel-default-devel-debuginfo - update to 4.12.14-122.293.1
kernel-default-debugsource - update to 4.12.14-122.293.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
kernel-default - update to 4.12.14-122.293.1
bpftool - update to 4.19.90-2601.5.0.0360
kernel - update to 4.19.90-2601.5.0.0360
bpftool-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-debugsource - update to 4.19.90-2601.5.0.0360
kernel-devel - update to 4.19.90-2601.5.0.0360
kernel-source - update to 4.19.90-2601.5.0.0360
kernel-tools - update to 4.19.90-2601.5.0.0360
kernel-tools-debuginfo - update to 4.19.90-2601.5.0.0360
kernel-tools-devel - update to 4.19.90-2601.5.0.0360
perf - update to 4.19.90-2601.5.0.0360
perf-debuginfo - update to 4.19.90-2601.5.0.0360
python2-perf - update to 4.19.90-2601.5.0.0360
python2-perf-debuginfo - update to 4.19.90-2601.5.0.0360
python3-perf - update to 4.19.90-2601.5.0.0360
python3-perf-debuginfo - update to 4.19.90-2601.5.0.0360

External References

Related Security Bulletins