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CVE-2021-26339

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CVE-2021-26339

Published: May 11, 2022

Modified: Sep 17, 2024

PUBLISHED

Description

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.

VendorProductVersions

AMD

EPYC™ Processors

affected
various

AMD

Ryzen™ Series

affected
various

AMD

Athlon™ Series

affected
various

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