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VULNERABILITIES

CVE-2021-26409 Details

Description

Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 CVEVendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')CISA-ADP

Affected Products

ProductVersions
amd milanpi firmware
< 1.0.0.3

CPE

  • cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
amd milanpi
All versions

CPE

  • cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-26409
NVD Published Date:
Jan 11, 2023
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-26409 Details - Not Deferred