CVE-2021-26396

MEDIUMMonitor

Published:Jan 11, 2023(3 years ago)

Modified:Apr 9, 2025

Local AccessNo InteractionLow Complexity

Vulnerability Description

Insufficient validation of address mapping to IO in ASP (AMD Secure Processor) may result in a loss of memory integrity in the SNP guest.

Attack Characteristics

Local AccessLow ComplexityLow PrivilegesNo User Interaction

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AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
amd	epyc_7003_firmware	milanpi-sp3_1.0.0.9	-
amd	epyc_72f3_firmware	milanpi-sp3_1.0.0.9	-
amd	epyc_7313_firmware

Timeline

Published
CVE disclosed publicly
Jan 11, 20233 years ago
Last Modified
Most recent update
Apr 9, 20251 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory

CVSS Score

v3.1

4.4/ 10.0

MEDIUM

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

At a Glance

Affected Products

References

amd / epyc_7003_firmware

CVE-2021-26396

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2021-26396

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description