#VU120305 Memory leak in Linux kernel - CVE-2023-54062
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120305
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-2023-54062
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 ext4_xattr_move_to_block() function in fs/ext4/xattr.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/1a8822343e67432b658145d2760a524c884da9d4
- https://git.kernel.org/stable/c/76887be2a96193cd11be818551b8934ecdb3123f
- https://git.kernel.org/stable/c/8beaa3cb293a8f7bacf711cf52201d59859dbc40
- https://git.kernel.org/stable/c/a18670395e5f28acddeca037c5e4bd2ea961b70a
- https://git.kernel.org/stable/c/b2fab1807d26acd1c6115b95b5eddd697d84751b
- https://git.kernel.org/stable/c/b87c7cdf2bed4928b899e1ce91ef0d147017ba45
- https://git.kernel.org/stable/c/ba04d6af5ac440a6d5a2d35dc1d8e2cb0323550a
- https://git.kernel.org/stable/c/c5fa4eedddd1c8342ce533cb401c0e693e55b4e3
- https://git.kernel.org/stable/c/f30f3391d089dc91aef91d08f4b04a6c0df2b067
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.283