CVE-2023-54261

CVE-2023-54261 involves the Linux kernel’s drm/amdkfd gfx11 MQD manager: a missing mqd_stride callback caused a NULL dereference in debugfs. The issue arises because mqd_stride was added in a commit for multi-XCC setups but was not assigned for gfx11. The fix is to add the missing gfx11 MQD manag...