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.

Project Subscriptions

Vendors Products
Epyc 72f3 Subscribe
Epyc 72f3 Firmware Subscribe
Epyc 7313 Subscribe
Epyc 7313 Firmware Subscribe
Epyc 7313p Subscribe
Epyc 7313p Firmware Subscribe
Epyc 7343 Subscribe
Epyc 7343 Firmware Subscribe
Epyc 7373x Subscribe
Epyc 7373x Firmware Subscribe
Epyc 73f3 Subscribe
Epyc 73f3 Firmware Subscribe
Epyc 7413 Subscribe
Epyc 7413 Firmware Subscribe
Epyc 7443 Subscribe
Epyc 7443 Firmware Subscribe
Epyc 7443p Subscribe
Epyc 7443p Firmware Subscribe
Epyc 7453 Subscribe
Epyc 7453 Firmware Subscribe
Epyc 7473x Subscribe
Epyc 7473x Firmware Subscribe
Epyc 74f3 Subscribe
Epyc 74f3 Firmware Subscribe
Epyc 7513 Subscribe
Epyc 7513 Firmware Subscribe
Epyc 7543 Subscribe
Epyc 7543 Firmware Subscribe
Epyc 7543p Subscribe
Epyc 7543p Firmware Subscribe
Epyc 7573x Subscribe
Epyc 7573x Firmware Subscribe
Epyc 75f3 Subscribe
Epyc 75f3 Firmware Subscribe
Epyc 7643 Subscribe
Epyc 7643 Firmware Subscribe
Epyc 7663 Subscribe
Epyc 7663 Firmware Subscribe
Epyc 7713 Subscribe
Epyc 7713 Firmware Subscribe
Epyc 7713p Subscribe
Epyc 7713p Firmware Subscribe
Epyc 7763 Subscribe
Epyc 7763 Firmware Subscribe
Epyc 7773x Subscribe
Epyc 7773x Firmware Subscribe
Ryzen 3 2200u Subscribe
Ryzen 3 2200u Firmware Subscribe
Ryzen 3 2300u Subscribe
Ryzen 3 2300u Firmware Subscribe
Ryzen 3 3100 Subscribe
Ryzen 3 3100 Firmware Subscribe
Ryzen 3 3300g Subscribe
Ryzen 3 3300g Firmware Subscribe
Ryzen 3 3300x Subscribe
Ryzen 3 3300x Firmware Subscribe
Ryzen 3 4300g Subscribe
Ryzen 3 4300g Firmware Subscribe
Ryzen 3 4300ge Subscribe
Ryzen 3 4300ge Firmware Subscribe
Ryzen 3 5125c Subscribe
Ryzen 3 5125c Firmware Subscribe
Ryzen 3 5300g Subscribe
Ryzen 3 5300g Firmware Subscribe
Ryzen 3 5300ge Subscribe
Ryzen 3 5300ge Firmware Subscribe
Ryzen 3 5400u Subscribe
Ryzen 3 5400u Firmware Subscribe
Ryzen 3 5425c Subscribe
Ryzen 3 5425c Firmware Subscribe
Ryzen 3 5425u Subscribe
Ryzen 3 5425u Firmware Subscribe
Ryzen 3 Pro 2300u Subscribe
Ryzen 3 Pro 2300u Firmware Subscribe
Ryzen 3 Pro 3300u Subscribe
Ryzen 3 Pro 3300u Firmware Subscribe
Ryzen 5 2500u Subscribe
Ryzen 5 2500u Firmware Subscribe
Ryzen 5 2600h Subscribe
Ryzen 5 2600h Firmware Subscribe
Ryzen 5 3400g Subscribe
Ryzen 5 3400g Firmware Subscribe
Ryzen 5 3450g Subscribe
Ryzen 5 3450g Firmware Subscribe
Ryzen 5 3600 Subscribe
Ryzen 5 3600 Firmware Subscribe
Ryzen 5 3600x Subscribe
Ryzen 5 3600x Firmware Subscribe
Ryzen 5 4600g Subscribe
Ryzen 5 4600g Firmware Subscribe
Ryzen 5 4600ge Subscribe
Ryzen 5 4600ge Firmware Subscribe
Ryzen 5 5560u Subscribe
Ryzen 5 5560u Firmware Subscribe
Ryzen 5 5600h Subscribe
Ryzen 5 5600h Firmware Subscribe
Ryzen 5 5600hs Subscribe
Ryzen 5 5600hs Firmware Subscribe
Ryzen 5 5600u Subscribe
Ryzen 5 5600u Firmware Subscribe
Ryzen 5 5625c Subscribe
Ryzen 5 5625c Firmware Subscribe
Ryzen 5 5625u Subscribe
Ryzen 5 5625u Firmware Subscribe
Ryzen 5 5700g Subscribe
Ryzen 5 5700g Firmware Subscribe
Ryzen 5 5700ge Subscribe
Ryzen 5 5700ge Firmware Subscribe
Ryzen 5 Pro 2500u Subscribe
Ryzen 5 Pro 2500u Firmware Subscribe
Ryzen 5 Pro 3500u Subscribe
Ryzen 5 Pro 3500u Firmware Subscribe
Ryzen 7 2700u Subscribe
Ryzen 7 2700u Firmware Subscribe
Ryzen 7 2800h Subscribe
Ryzen 7 2800h Firmware Subscribe
Ryzen 7 3700x Subscribe
Ryzen 7 3700x Firmware Subscribe
Ryzen 7 3800x Subscribe
Ryzen 7 3800x Firmware Subscribe
Ryzen 7 4700g Subscribe
Ryzen 7 4700g Firmware Subscribe
Ryzen 7 4700ge Subscribe
Ryzen 7 4700ge Firmware Subscribe
Ryzen 7 5700g Subscribe
Ryzen 7 5700g Firmware Subscribe
Ryzen 7 5700ge Subscribe
Ryzen 7 5700ge Firmware Subscribe
Ryzen 7 5800h Subscribe
Ryzen 7 5800h Firmware Subscribe
Ryzen 7 5800hs Subscribe
Ryzen 7 5800hs Firmware Subscribe
Ryzen 7 5800u Subscribe
Ryzen 7 5800u Firmware Subscribe
Ryzen 7 5825c Subscribe
Ryzen 7 5825c Firmware Subscribe
Ryzen 7 5825u Subscribe
Ryzen 7 5825u Firmware Subscribe
Ryzen 7 Pro 2700u Subscribe
Ryzen 7 Pro 2700u Firmware Subscribe
Ryzen 7 Pro 3700u Subscribe
Ryzen 7 Pro 3700u Firmware Subscribe
Ryzen 9 5900hs Subscribe
Ryzen 9 5900hs Firmware Subscribe
Ryzen 9 5900hx Subscribe
Ryzen 9 5900hx Firmware Subscribe
Ryzen 9 5980hs Subscribe
Ryzen 9 5980hs Firmware Subscribe
Ryzen 9 5980hx Subscribe
Ryzen 9 5980hx Firmware Subscribe
Ryzen Threadripper Pro 3945wx Subscribe
Ryzen Threadripper Pro 3945wx Firmware Subscribe
Ryzen Threadripper Pro 3955wx Subscribe
Ryzen Threadripper Pro 3955wx Firmware Subscribe
Ryzen Threadripper Pro 3975wx Subscribe
Ryzen Threadripper Pro 3975wx Firmware Subscribe
Ryzen Threadripper Pro 3995wx Subscribe
Ryzen Threadripper Pro 3995wx Firmware Subscribe
Ryzen Threadripper Pro 5945wx Subscribe
Ryzen Threadripper Pro 5945wx Firmware Subscribe
Ryzen Threadripper Pro 5955wx Subscribe
Ryzen Threadripper Pro 5955wx Firmware Subscribe
Ryzen Threadripper Pro 5965wx Subscribe
Ryzen Threadripper Pro 5965wx Firmware Subscribe
Ryzen Threadripper Pro 5975wx Subscribe
Ryzen Threadripper Pro 5975wx Firmware Subscribe
Ryzen Threadripper Pro 5995wx Subscribe
Ryzen Threadripper Pro 5995wx Firmware Subscribe
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}


Projects

Sign in to view the affected projects.

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.

Weaknesses