CVE-2026-22163— GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU

GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU

Requires malware code to misuse the DDK kernel module IOCTL interface. Such code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages. The product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource.

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缺失同步机制

Imagination Graphics DDK 安全漏洞

Imagination Graphics DDK是英国Imagination公司的一款GPU驱动工具套件。 Imagination Graphics DDK存在安全漏洞，该漏洞源于未同步访问共享资源，可能导致GPU执行对任意物理内存页的写入。

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