Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-98179
Published: October 7, 2026
Vulnerability details
The vulnerability allows a local privileged user to consume kernel mapping resources.
The vulnerability exists due to failure to release register BAR mappings in amdgpu_device_fini_sw() when removing a device or unloading the driver. A local privileged user can trigger driver unloading, leaking one register BAR mapping per unload, to consume kernel mapping resources.
Affected software
Debian Linux
linux (Debian package)
How to mitigate CVE-2026-98179
linux (Debian package) - update to 6.12.113-1