Out of Bounds Write Vulnerability in ARM SMMU Driver

CVE-2026-0027

What is CVE-2026-0027?

A vulnerability exists in the ARM SMMU driver where a use-after-free condition in the smmu_detach_dev function may lead to out of bounds memory access. This flaw can facilitate local privilege escalation, potentially allowing malicious entities to execute system-level operations without user interaction. This vulnerability emphasizes the importance of robust memory management and timely patching to safeguard against unauthorized access and protect sensitive data.

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