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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly preserving the root PD BO, which could lead to a null pointer dereference...

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...

PT-2025-40687

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue was identified in the Linux kernel related to the handling of memory management within the DRM/amdgpu subsystem. Specifically, the vulnerability concerns the improper unmapping...