Deadlock in Linux kernel - CVE-2026-97948
Published: September 28, 2026
Vulnerability identifier: #VU152522
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-2026-97948
CWE-ID: CWE-833
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 recursive locking in eeh_rmv_device when handling EEH error events. A local user can trigger the affected EEH error-handling path to cause a denial of service.
The issue occurs for errors detected directly on the PHB or when a driver requests a reset but does not provide EEH error handlers.
Affected software
Linux kernel
How to mitigate CVE-2026-97948
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3