In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Free pvr_vm_gpuva after unlink This caused a measurable memory leak. Although the individual allocations are small, the leaks occurs in a high-usage codepath (remapping or unmapping device memory) so they add up quickly.
https://git.kernel.org/stable/c/3f6b2f60b4631cd0c368da6a1587ab55a696164d
https://git.kernel.org/stable/c/1cc695be8920df234f83270d789078cb2d3bc564