VulnerabilityDeferred
CVE-2023-20582
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.
MEDIUM 5.3EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1284
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.