#VU120701 Memory leak in Linux kernel - CVE-2023-54162
Published: December 30, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120701
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-2023-54162
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 __put_fd_final() function in fs/ksmbd/vfs_cache.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/11d38f8a0c19763e34d2093b5ecb640e012cb2d2
- https://git.kernel.org/stable/c/6bf555ed8938444466c3d7f3252eb874a518f293
- https://git.kernel.org/stable/c/bfe8372ef2dbdce97f13b21d76e2080ddeef5a79
- https://git.kernel.org/stable/c/d3ca9f7aeba793d74361d88a8800b2f205c9236b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.145
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3