Input validation error in Linux kernel - CVE-2023-53481
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116373
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-2023-53481
CWE-ID: CWE-20
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 improper input validation within the wear_leveling_worker() and ubi_wl_put_peb() functions in drivers/mtd/ubi/wl.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
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-2023-53481
Install update from vendor's repository.
Linux kernel - update to 4.19.276
kernel - update to 4.19.90-2510.4.0.0349
bpftool - 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
kernel - update to 4.19.90-2510.4.0.0349
bpftool - 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
- https://git.kernel.org/stable/c/3afaaf6f5867dc4ad383808d4053f428ec7b867d
- https://git.kernel.org/stable/c/4d57a7333e26040f2b583983e1970d9d460e56b0
- https://git.kernel.org/stable/c/5af1c643184a5d09ff5b3f334077a4d0a163c677
- https://git.kernel.org/stable/c/8a18856e074479bd050b01e688c58defadce7ab0
- https://git.kernel.org/stable/c/b40d2fbf47af58377e898b5062077a47bb28a132
- https://git.kernel.org/stable/c/b5be23f6ae610bdb262160a1f294afee6d0e6a69
- https://git.kernel.org/stable/c/cc4bc532acda66189bddc03b3fe1ad689d9a48a2
- https://git.kernel.org/stable/c/f006f596fe851c3b6aae60b79f89f89f0e515d2f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.276