Memory leak in Linux kernel - CVE-2023-53346
Published: September 18, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115768
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-2023-53346
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 fei_debugfs_add_attr() function in kernel/fail_function.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2023-53346
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/29d53c4c5a6f6d2b93aaac95b65cb4c907faf2ff
- https://git.kernel.org/stable/c/2bb3669f576559db273efe49e0e69f82450efbca
- https://git.kernel.org/stable/c/94f68f3e059c478e240f65fcb64746fe371295df
- https://git.kernel.org/stable/c/bb99db06b8b6ce9351633fc61bec9919d8f6f52b
- https://git.kernel.org/stable/c/dd9981a11d74ff2eb253bb5c459876f8bd3c6c36
- https://git.kernel.org/stable/c/f6d3aee1c66358471275df9dddd480010f061b0e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.235