CVE-2023-20582CWE-1284

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…

Medium · published February 11, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
6.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00172 · 6.3th percentile
Weakness
CWE-1284 · Improper Validation of Specified Quantity in Input
Published
2025-02-11T21:35Z
EPSS history
Timeline
  • 11 FEB 21:35Z
    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…
    cvelistv5