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CVE-2023-20584

Published: Aug 13, 2024Updated: Dec 12, 2024 Sources: CVE List NVD BDUNVD-CWE-noinfo
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.2%
Top 93.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:LAC:HPR:HUI:NS:CC:NI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

epyc 8024pn firmwareamdHardware Firmware
epyc 8024p firmwareamdHardware Firmware
epyc 8124pn firmwareamdHardware Firmware
epyc 8124p firmwareamdHardware Firmware
epyc 8224pn firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 68 more affected products View all →

Exploitability

Official Patch Available

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
amd.com
https://lore.kernel.org/all/20240820182655.42311-1-john.allen@amd.com/
lore.kernel.org
https://nvd.nist.gov/vuln/detail/CVE-2023-20584
nvd.nist.gov
and 6 more references View all →

Timeline

Published
Aug 13, 2024
Last Updated
Dec 12, 2024

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