VulnerabilityAnalyzed
CVE-2023-20584
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…
MEDIUM 6.0EPSS 0.19%
Does this matter?
Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.0 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 0.19% probability · 8th percentile
- CISA KEV
- Not listed
- Affected
- amd/epyc 8024pn firmware · amd/epyc 8024p firmware · amd/epyc 8124pn firmware · amd/epyc 8124p firmware · amd/epyc 8224pn firmware · amd/epyc 8224p firmware · amd/epyc 8324pn firmware · amd/epyc 8324p firmware · amd/epyc 8434pn firmware · amd/epyc 8434p firmware · amd/epyc 8534pn firmware · amd/epyc 8534p firmware · amd/epyc 9734 firmware · amd/epyc 9754s firmware · amd/epyc 9754 firmware · amd/epyc 9184x firmware · amd/epyc 9384x firmware · amd/epyc 9684x firmware · amd/epyc 9124 firmware · amd/epyc 9174f firmware · +40 more
- Source
- psirt@amd.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.