CVE-2023-53545 drm/amdgpu: unmap and remove csa_va properly
A race condition in the AMD GPU driver can cause a kernel warning and potential system instability during device closure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-53545?
CVE-2023-53545 is a high-severity vulnerability in Linux kernel, published on 4 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: unmap and remove csa_va properly
Root PD BO should be reserved before unmap and remove a bo_va from VM otherwise lockdep will complain.
v2: check fpriv->csa_va is not NULL instead of amdgpu_mcbp (christian)
[14616.936827] WARNING: CPU: 6 PID: 1711 at drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1762 amdgpu_vm_bo_del+0x399/0x3f0 [amdgpu] [14616.937096] Call Trace: [14616.937097] <TASK> [14616.937102] amdgpu_driver_postclose_kms+0x249/0x2f0 [amdgpu] [14616.937187] drm_file_free+0x1d6/0x300 [drm] [14616.937207] drm_close_helper.isra.0+0x62/0x70 [drm] [14616.937220] drm_release+0x5e/0x100 [drm] [14616.937234] __fput+0x9f/0x280 [14616.937239] ____fput+0xe/0x20 [14616.937241] task_work_run+0x61/0x90 [14616.937246] exit_to_user_mode_prepare+0x215/0x220 [14616.937251] syscall_exit_to_user_mode+0x2a/0x60 [14616.937254] do_syscall_64+0x48/0x90 [14616.937257] entry_SYSCALL_64_after_hwframe+0x63/0xcd
Which versions are affected by CVE-2023-53545?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-53545?
Apply the vendor's patch.
Is CVE-2023-53545 being exploited?
There is no known exploitation of CVE-2023-53545 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-77432, BELL-CVE-2023-53545, DEBIAN-CVE-2023-53545, GHSA-jw22-qx9q-gwxg, ROOT-OS-DEBIAN-11-CVE-2023-53545, ROOT-OS-DEBIAN-12-CVE-2023-53545 and 2 more.