CVE-2023-20584

CVE Details

Release Date:2024-08-13
Impact:Moderate What is this?

Description


IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.

See more information about CVE-2023-20584 from MITRE CVE dictionary and NIST NVD


NOTE: The following CVSS metrics and score provided are preliminary and subject to review.


CVSS v3 metrics

Base Score: 5.3
Vector String: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Version: 3.1
Attack Vector: Local
Attack Complexity: High
Privileges Required: High
User Interaction: None
Scope: Changed
Confidentiality Impact: None
Integrity Impact: High
Availability Impact: None

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (linux-firmware)ELSA-2024-127972024-10-22
Oracle Linux version 8 (linux-firmware)ELSA-2024-127972024-10-22
Oracle Linux version 9 (linux-firmware)ELSA-2024-127972024-10-22


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