TI-2021-08218 Aliases CVE-2021-26400 GHSA-p6cf-jjrc-ff28

AMD processors may speculatively re-order load instructions which can result in stale…

LOW 18Published 2022-05-11 · Updated 2024-09-17

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

AMD processors may speculatively re-order load instructions which can result in stale data being observed when multiple processors are operating on shared memory, resulting in potential data leakage.

Why it matters now

EPSS 0.00237 14th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
AMD	AMD Processors	Processor All Supported Processors	—	No fix listed	CNA

AMD Processors VendorAMD Affected Processor All Supported Processors Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:h:amd:cpu:-:::::::*	not specified by NVD	Vulnerable	AMD

cpe:2.3:h:amd:cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-26400
2026-10-03 Alias added: GHSA-p6cf-jjrc-ff28

References

Advisory 1

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences