#VU121410 Input validation error in Linux kernel - CVE-2025-68816
Published: January 14, 2026
Vulnerability identifier: #VU121410
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-2025-68816
CWE-ID: CWE-20
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 input validation within the drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.h. 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/38ac688b52ef26a88f8bc4fe26d24fdd0ff91e5d
- https://git.kernel.org/stable/c/45bd283b1d69e2c97cddcb9956f0e0261fc4efd7
- https://git.kernel.org/stable/c/8ac688c0e430dab19f6a9b70df94b1f635612c1a
- https://git.kernel.org/stable/c/8c35c2448086870509ede43947845be0833251f0
- https://git.kernel.org/stable/c/b35966042d20b14e2d83330049f77deec5229749