#VU120496 Improper locking in Linux kernel - CVE-2023-54074
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120496
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-2023-54074
CWE-ID: CWE-667
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 improper locking within the mlx5e_invalidate_encap() function in drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.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/00959a1bad58e4b6c14a2729f84d354255073609
- https://git.kernel.org/stable/c/b8b4292fdd8818ab43b943b6717811651f51e39f
- https://git.kernel.org/stable/c/be071cdb167fc3e25fe81922166b3d499d23e8ac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4