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.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-13145 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00075}

epss

{'score': 0.00068}


Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00058}

epss

{'score': 0.00075}


cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2024-09-17T01:56:55.986Z

Reserved: 2021-01-29T00:00:00

Link: CVE-2021-26339

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-05-11T17:15:08.253

Modified: 2024-11-21T05:56:08.687

Link: CVE-2021-26339

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.