CVE-2026-68257

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix 32-bit overflow in CWSR total size calculation totalcwsrsize was computed in 32-bit before being used as a BO/SVM allocation size. With large ctxsaverestoreareasize and debugmemorysize multiplied by the XCC count,...

kernel: drm/amdgpu: unmap and remove csa_va properly

A locking violation was found in the Linux kernel's AMD GPU driver in the context save area cleanup path. A local user can trigger this issue when closing GPU contexts, causing the driver to unmap and remove virtual memory mappings without first reserving the root page directory buffer object. Th...