CVE-2021-26409 (GCVE-0-2021-26409)

Vulnerability from cvelistv5 – Published: 2023-01-10 20:56 – Updated: 2025-04-09 14:52
VLAI?
Summary
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.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD 3rd Gen EPYC Affected: various
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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