AMD CPU Core Logic Vulnerability: Potential Denial of Service Exploit

AMD CPU Core Logic Vulnerability: Potential Denial of Service Exploit

CVE-2021-26339 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.

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