CVE-2021-26400 — MEDIUM (4.0)

Vulnerability Description

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.

CVSS Score

4.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Amd	Cpu	-

References

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

FAQ

What is CVE-2021-26400?

CVE-2021-26400 is a vulnerability with a CVSS score of 4.0 (MEDIUM). 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.

How severe is CVE-2021-26400?

CVE-2021-26400 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26400?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Cpu.