CVE-2026-45201 - GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read and/or write of arbitrary physical memory

CVE-2026-45201 - GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read and/or write of arbitrary physical memory

https://cvefeed.io/rssfeed/latest.atom / Fri, 08/21/2026 - 10:27
CVE ID :CVE-2026-45201
Published : Aug. 21, 2026, 4:18 a.m. | 3 hours, 43 minutes ago
Description :Software installed and run as a non-privileged user may conduct improper GPU system calls to pass invalid log2 page size when allocating physical pages leading to OOB read and/or write due to improper validation of the said value. Such crafted log2 page size could lead to 4K pages being treated as higher order pages and allowing read and/or write access to the memory beyond 4K threshold.
Severity: 0.0 | NA
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