CVE-2023-20582 (GCVE-0-2023-20582)

Vulnerability from cvelistv5 – Published: 2025-02-11 21:35 – Updated: 2025-02-12 15:56
VLAI
Summary
Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest memory integrity.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
CWE
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD EPYC™ 9004 Processors Unaffected: GenoaPI 1.0.0.C
Unaffected: SEV FW1.55.36
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AMD AMD EPYC™ Embedded 9004 Unaffected: EmbGenoaPI-SP5 1.0.0.7
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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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