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Improper Validation of Specified Quantity in Input

CVE-2023-20582

Medium
5.3/10

Summary

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.

  • HIGH
  • LOCAL
  • HIGH
  • CHANGED
  • NONE
  • HIGH
  • NONE
  • NONE

CWE-1284 - Improper Validation of Specified Quantity in Input

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

References

Advisory Timeline

  • Published