#VU97948 Input validation error in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-20584

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Main Vulnerability Database Vulnerabilities #VU97948

#VU97948 Input validation error in 3rd Gen AMD EPYC Processors and 4th Gen AMD EPYC Processors - CVE-2023-20584

Published: October 2, 2024


Vulnerability identifier: #VU97948
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-20584
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
3rd Gen AMD EPYC Processors
4th Gen AMD EPYC Processors
Software vendor:
AMD

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of special address ranges with invalid device table entries (DTEs) in IOMMU. A local user can induce DTE faults to bypass RMP checks in SEV-SNP.


Remediation

Install updates from vendor's website.

External links