#VU120417 Use-after-free in Linux kernel - CVE-2023-54015
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120417
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-54015
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mlx5_devcom_register_device() function in drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1e755065368000205e6683fa924b2654e99f573b
- https://git.kernel.org/stable/c/3dfc1004d9afbf689087ae1eafd88f55481984c7
- https://git.kernel.org/stable/c/a3a516caef2c5be2f4d171890a8b3415bfab4e5e
- https://git.kernel.org/stable/c/af87194352cad882d787d06fb7efa714acd95427
- https://git.kernel.org/stable/c/d4d10a6df1529b3f446cdada5c25e065f4712756
- https://git.kernel.org/stable/c/eaa365c10459052cbe3e44caa4ad760cb93bd435
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.31