What is CVE-2021-26400?

CVE-2021-26400 is a medium-severity vulnerability in Amd Processors. CVSS score: 4.0/10. Published 2022-05-11.

How severe is CVE-2021-26400?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Amd Processors

CVE-2021-26400

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.

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Amd Processors — versions Processor All Supported Processors
Amd Cpu

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26400?: CVE-2021-26400 is a medium-severity vulnerability in Amd Processors. CVSS score: 4.0/10. Published 2022-05-11.
How severe is CVE-2021-26400?: Medium severity. CVSS v3 base score is 4.0 out of 10.