Buffer overflow in Linux kernel - CVE-2023-53271

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Main Vulnerability Database Vulnerabilities #VU115593

Buffer overflow in Linux kernel - CVE-2023-53271

Published: September 16, 2025 / Updated: September 22, 2025


Vulnerability identifier: #VU115593
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-53271
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the ubi_resize_volume() function in drivers/mtd/ubi/vmt.c. A local user can perform a denial of service (DoS) attack.


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_280-default
kernel-default-base-debuginfo
kernel-default-debugsource
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-devel
ocfs2-kmp-default
kernel-default-debuginfo
gfs2-kmp-default
kernel-default
kernel-source
kernel-devel
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-base
kernel-syms
gfs2-kmp-default-debuginfo
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-2023-53271

Install update from vendor's repository.

Linux kernel - update to 5.15.100
kgraft-patch-4_12_14-122_280-default - update to 1-8.5.1
kernel-default-base-debuginfo - update to 4.12.14-122.280.1
kernel-default-debugsource - update to 4.12.14-122.280.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.280.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.280.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.280.1
dlm-kmp-default - update to 4.12.14-122.280.1
cluster-md-kmp-default - update to 4.12.14-122.280.1
kernel-default-devel - update to 4.12.14-122.280.1
ocfs2-kmp-default - update to 4.12.14-122.280.1
kernel-default-debuginfo - update to 4.12.14-122.280.1
gfs2-kmp-default - update to 4.12.14-122.280.1
kernel-default - update to 4.12.14-122.280.1
kernel-source - update to 4.12.14-122.280.1
kernel-devel - update to 4.12.14-122.280.1
kernel-macros - update to 4.12.14-122.280.1
kernel-default-man - update to 4.12.14-122.280.1
kernel-default-devel-debuginfo - update to 4.12.14-122.280.1
kernel-default-kgraft - update to 4.12.14-122.280.1
kernel-default-kgraft-devel - update to 4.12.14-122.280.1
kernel-default-base - update to 4.12.14-122.280.1
kernel-syms - update to 4.12.14-122.280.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.280.1
bpftool - update to 4.19.90-2510.4.0.0349
kernel - update to 4.19.90-2510.4.0.0349
bpftool-debuginfo - update to 4.19.90-2510.4.0.0349
kernel-debuginfo - update to 4.19.90-2510.4.0.0349
kernel-debugsource - update to 4.19.90-2510.4.0.0349
kernel-devel - update to 4.19.90-2510.4.0.0349
kernel-source - update to 4.19.90-2510.4.0.0349
kernel-tools - update to 4.19.90-2510.4.0.0349
kernel-tools-debuginfo - update to 4.19.90-2510.4.0.0349
kernel-tools-devel - update to 4.19.90-2510.4.0.0349
perf - update to 4.19.90-2510.4.0.0349
perf-debuginfo - update to 4.19.90-2510.4.0.0349
python2-perf - update to 4.19.90-2510.4.0.0349
python2-perf-debuginfo - update to 4.19.90-2510.4.0.0349
python3-perf - update to 4.19.90-2510.4.0.0349
python3-perf-debuginfo - update to 4.19.90-2510.4.0.0349

External References

Related Security Bulletins