CVE-2025-38598 drm/amdgpu: fix use-after-free in amdgpu_userq_suspend+0x51a/0x5a0

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free in amdgpuuserqsuspend+0x51a/0x5a0 +0.000020 BUG: KASAN: slab-use-after-free in amdgpuuserqsuspend+0x51a/0x5a0 amdgpu +0.000817 Read of size 8 at addr ffff88812eec8c58 by task amdpciunplug/1733...