Race condition in Linux kernel - CVE-2026-80925

 

Race condition in Linux kernel - CVE-2026-80925

Published: September 9, 2026


Vulnerability identifier: #VU148839
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80925
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a race condition in VLAN device feature transfer handling when toggling hardware VLAN transmit offload. A local user can toggle hardware VLAN transmit offload during transmit processing to cause a denial of service.


Affected software

Linux kernel

How to mitigate CVE-2026-80925

Install security update from vendor's repository.


External References

Related Security Bulletins