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Arm Mali Race Condition
Posted Sep 20, 2022
Authored by Jann Horn, Google Security Research

The Mali driver frees GPU page tables before removing the higher-level PTEs pointing to those page tables (and, therefore, also before issuing the required flushes). This means a racing memory write instruction on the GPU can write to an attacker-controlled physical address.

tags | exploit
advisories | CVE-2022-36449
SHA-256 | b9314770c55b858e1768dc0c89581aba6dcd511b77abe5a7a6849771f7835386
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