Memory leak in Linux kernel - CVE-2023-53318
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115663
CSH Severity: Low
CVSS v4.0: 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-2023-53318
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the uwrite() function in scripts/recordmcount.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53318
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/25c9b185f121812cbc215fdaa1192c6b9025b428
- https://git.kernel.org/stable/c/2d9ca5f62f2ba160ff9c9be4adf401c46c04edef
- https://git.kernel.org/stable/c/3ed95a6f6c646e8bb15c354536e0ab10e8f39c08
- https://git.kernel.org/stable/c/444ec005404cead222ebce2561a9451c9ee5ad89
- https://git.kernel.org/stable/c/895130e63c93926f07caf5db286b97bd27b81de9
- https://git.kernel.org/stable/c/bd39f68a309a947670379bf9a39b16c584f86ddb
- https://git.kernel.org/stable/c/fa359d068574d29e7d2f0fdd0ebe4c6a12b5cfb9
- https://git.kernel.org/stable/c/ff70ad9159fbb566b2c15724f44207e8deccd527
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113