VULNERABILITY INTELLIGENCE

CVE-2021-26339

CVSS score5.5 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2022-05-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references