Improper locking in Linux kernel - CVE-2026-93815
Published: September 25, 2026
Vulnerability identifier: #VU152068
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93815
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger an invalid wait context.
The vulnerability exists due to improper locking in au1000_close() in the au1000 Ethernet driver when stopping the network device. A local user can invoke the affected close operation to trigger an invalid wait context.
Affected software
Linux kernel
How to mitigate CVE-2026-93815
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3