CVE-2025-68320
kernel: Linux kernel (lan966x): Denial of Service via incorrect mutex usage
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 16, 2025
Updated · August 14, 2026
Description
A flaw was found in the lan966x network driver within the Linux kernel. A remote attacker connecting via SSH could trigger a system instability, leading to a denial of service (DoS). This occurs due to the incorrect use of a mutex, a mechanism for controlling access to shared resources, in an atomic context, where such operations are not permitted.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-413 · Improper Resource Locking