CVE-2023-53545: drm/amdgpu: unmap and remove csa_va properly
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: unmap and remove csava properly
Root PD BO should be reserved before unmap and remove a bova from VM otherwise lockdep will complain.
v2: check fpriv->csava is not NULL instead of amdgpumcbp (christian)
[14616.936827] WARNING: CPU: 6 PID: 1711 at drivers/gpu/drm/amd/amdgpu/amdgpuvm.c:1762 amdgpuvmbodel+0x399/0x3f0 [amdgpu] [14616.937096] Call Trace: [14616.937097] <TASK> [14616.937102] amdgpudriverpostclosekms+0x249/0x2f0 [amdgpu] [14616.937187] drmfilefree+0x1d6/0x300 [drm] [14616.937207] drmclosehelper.isra.0+0x62/0x70 [drm] [14616.937220] drmrelease+0x5e/0x100 [drm] [14616.937234] fput+0x9f/0x280 [14616.937239] fput+0xe/0x20 [14616.937241] taskworkrun+0x61/0x90 [14616.937246] exittousermodeprepare+0x215/0x220 [14616.937251] syscallexittousermode+0x2a/0x60 [14616.937254] dosyscall64+0x48/0x90 [14616.937257] entrySYSCALL64afterhwframe+0x63/0xcd
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-53545?
CVE-2023-53545 has been classified as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2023-53545?
To fix CVE-2023-53545, you should update the Linux kernel to the latest patched version provided by your distribution.
What systems are affected by CVE-2023-53545?
CVE-2023-53545 affects systems using the AMD Linux kernel that have the amdgpu driver implemented.
What is the nature of CVE-2023-53545?
CVE-2023-53545 involves improper handling of certain memory management operations in the AMD GPU driver in the Linux kernel.
Is there a public proof-of-concept for CVE-2023-53545?
As of now, there is no known public proof-of-concept specifically demonstrating CVE-2023-53545.