CVE-2021-26339

State: Published
Severity: Not scored
Published: May 11, 2022
Updated: Sep 17, 2024
Reserved: Jan 29, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
EPYC™ ProcessorsAMD	variousAffected
Ryzen™ SeriesAMD	variousAffected
Athlon™ SeriesAMD	variousAffected

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.