#MemoryTaggingExtension

New TikTag Attack Targets Arm CPU Security Feature 

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June 18, 2024 at 12:36PM Researchers have uncovered a new speculative execution attack targeting Arm CPUs’ Memory Tagging Extension (MTE), bypassing security measures. The attack, discovered by a team from Seoul National University, Samsung Research, and Georgia Tech, allows exploitation of memory corruption vulnerabilities for various malicious purposes. The researchers demonstrated its success against Chrome … Read more

New ARM ‘TIKTAG’ attack impacts Google Chrome, Linux systems

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June 16, 2024 at 10:14PM The TIKTAG attack exploits ARM’s Memory Tagging Extension (MTE) to leak data with over 95% success. Researchers from Samsung, Seoul National University, and Georgia Tech demonstrated the attack against Google Chrome and the Linux kernel. MTE, designed to prevent memory corruption, is susceptible to TIKTAG-v1 and TIKTAG-v2 gadgets. Mitigations are … Read more