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A use-after-free vulnerability in Arm Bifrost, Valhall, and Arm 5th Gen GPU Architecture userspace drivers allows a non-privileged user process performing valid GPU processing operations, including through WebGL or WebGPU, to access already freed memory. Affected Bifrost releases are r42p0 through r49p5, r50p0 through r51p0, and r54p1 through r54p3. Affected Valhall and Arm 5th Gen GPU Architecture releases are r42p0 through r49p5, r50p0 through r54p3, and r55p0. The specific vulnerable function and allocation-lifetime failure have not been publicly disclosed.
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A use-after-free vulnerability in the Arm Mali GPU userspace driver, reachable through valid WebGL or WebGPU operations. It affects multiple generations of Arm GPU drivers, including the 5th Gen GPU architecture. The article connects the GPU attack surface to potential device compromise and sandbox escape, but does not establish a demonstrated exploit for this specific flaw.
A use-after-free vulnerability in Arm GPU userspace drivers that allows an unprivileged process, including one using WebGL or WebGPU, to access freed memory through valid GPU processing operations.
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Cross-references every affected SKU, including bundled OEM variants.
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