CVE-2023-20582 — MEDIUM (5.3)

Vulnerability 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 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-1284

References

FAQ

What is CVE-2023-20582?

CVE-2023-20582 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 lo...

How severe is CVE-2023-20582?

CVE-2023-20582 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20582?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.