CVE-2023-20584 (GCVE-0-2023-20584)

Vulnerability from cvelistv5 – Published: 2024-08-13 16:53 – Updated: 2024-11-05 21:40
VLAI?
Summary
IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest 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
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD EPYC™ 7003 Processors Unaffected: MilanPI 1.0.0.C (PI)
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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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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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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