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Gaining kernel code execution on an MTE-enabled Pixel 8 (github.blog)

CVE-2023-6241 Memory Tagging Extension kernel exploitation Android security GPU security Pixel 8

This article provides an in-depth analysis of CVE-2023-6241, a vulnerability in the Arm Mali GPU, how it was exploited to gain arbitrary kernel code execution on an MTE-enabled Pixel 8 device, the role of Memory Tagging Extension (MTE) in mitigating memory corruption vulnerabilities, and its limitations. The author provides insights into the technical details of the vulnerability, its exploitation, and the implications for device security in the presence of advanced mitigations like MTE.
Main Points
- CVE-2023-6241 explanationCVE-2023-6241 is a vulnerability in the Arm Mali GPU that allows a malicious app to gain arbitrary kernel code execution and root on an Android phone.
- Exploitation and impact detailsThe vulnerability is exploit heads for various attack scenarios explored in-depth blog, impacting strategical hardware and software
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