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.
Affected products
- AMD / Athlon™ Seriesvarious – various
- AMD / EPYC™ Processorsvarious – various
- AMD / Ryzen™ Seriesvarious – various