#VU120278 Memory leak in Linux kernel - CVE-2023-54158
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120278
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-2023-54158
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 block_rsv_release_bytes() function in fs/btrfs/block-rsv.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/04ff6bd0317735791ef3e443c7c89f3c0dda548d
- https://git.kernel.org/stable/c/148b16cd30b202999ec5b534e3e5d8ab4b766f21
- https://git.kernel.org/stable/c/15e877e5923ec6d6caa5e447dcc4b79a8ff7cc53
- https://git.kernel.org/stable/c/1e05bf5e80bb1161b7294c9ce5292b26232ab853
- https://git.kernel.org/stable/c/478bd15f46b6e3aae78aac4f3788697f1546eea6
- https://git.kernel.org/stable/c/d246331b78cbef86237f9c22389205bc9b4e1cc1
- https://git.kernel.org/stable/c/f264be24146bee2d652010a18ae2517df5856261
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.112