#VU115236 Memory leak in Linux kernel - CVE-2023-53234
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115236
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2023-53234
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the watchdog_cdev_register() function in drivers/watchdog/watchdog_dev.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/13721a2ac66b246f5802ba1b75ad8637e53eeecc
- https://git.kernel.org/stable/c/23cc41c3f19c4d858c3708f1c0a06e94958e6c3b
- https://git.kernel.org/stable/c/50808d034e199fe3ff7a9d2068a4eebeb6b4098a
- https://git.kernel.org/stable/c/59e391b3fc507a15b7e8e9d9f4de87cae177c366
- https://git.kernel.org/stable/c/8c1655600f4f2839fb844fe8c70b2b65fadc7a56
- https://git.kernel.org/stable/c/ac099d94e0480c937aa9172ab64074981ca1a4d3
- https://git.kernel.org/stable/c/bf26b0e430ce34261f45959989edaf680b64d538
- https://git.kernel.org/stable/c/c5a21a5501508ae3afa2fe6d5a3e74a37fa48df3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.173