Use-after-free in Linux kernel - CVE-2026-80608
Published: August 28, 2026
Vulnerability identifier: #VU146278
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-80608
CWE-ID: CWE-416
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 use-after-free in amdxdna_remove() and amdxdna_gem_obj_free() when handling device removal with force_iova mode enabled. A local user can trigger device removal and a subsequent object free to cause a denial of service.
Only systems with force_iova mode enabled are vulnerable.
Affected software
Linux kernel
How to mitigate CVE-2026-80608
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3