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01 Record

CVE-2021-26324

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

UnratedPUBLISHEDCNA: AMD
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 18.7% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-05-10 18:27Z4 YR AGO
Last updated
2024-09-16 17:54Z2 YR AGO
Reserved
2021-01-29
Assigning CNA
AMD
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
83d76ea223f2693303e7c357b916b5c9feb332d732b702debc74126240bb9846

05 Affected products

VendorProductVersionsPlatforms
AMD3rd Gen AMD EPYC™< MilanPI-SP3_1.0.0.4—

06 References