Home/CVE/A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.
CVE

CVE-2021-26324

A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.

A bug with the SEV-ES TMR may lead to a potential loss of memory integrity for SNP-active VMs.

HIGH · CVSS 7.8 EPSS 0.00127
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

23
amd epyc 7763 firmware< milanpi-sp3_1.0.0.4
amd epyc 7713p firmware< milanpi-sp3_1.0.0.4
amd epyc 7713 firmware< milanpi-sp3_1.0.0.4
amd epyc 7663 firmware< milanpi-sp3_1.0.0.4
amd epyc 7643 firmware< milanpi-sp3_1.0.0.4
amd epyc 75f3 firmware< milanpi-sp3_1.0.0.4
amd epyc 7543p firmware< milanpi-sp3_1.0.0.4
amd epyc 7543 firmware< milanpi-sp3_1.0.0.4
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 May 2022 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021Vendor Advisory
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