UNKNOWN NVD
CVE-2026-74450
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix pptable use-after-free amdgpu_dpm_get_pp_table() returns a pointer to a dr
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/pm: fix pptable use-after-free
amdgpu_dpm_get_pp_table() returns a pointer to a driver-owned power table
after dropping adev->pm.mutex. The sysfs path then copies from that pointer.
A concurrent pp_table write can replace and free the allocation during the
copy, causing a use-after-free.
Change the DPM interface to copy into caller-provided storage while the mutex
is held. Keep the size-only query for attribute discovery without exposing
the driver-owned pointer.
(cherry picked from commit f6eed7acfd30099ef7baeb6ba45bb59daad80631)
References
- https://git.kernel.org/stable/c/b628f2c6feb3a115ea72d3120a2bd94afc5163df
- https://git.kernel.org/stable/c/bb493058c35c8676e48269ab6732688ea733d23c
This unknown severity vulnerability was published on 2026-08-15 via NVD.
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