CVE-2023-20582
5.3
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Processors | GenoaPI 1.0.0.C | unaffected |
| AMD | AMD EPYC™ 9004 Processors | SEV FW1.55.36 | unaffected |
| AMD | AMD EPYC™ Embedded 9004 | EmbGenoaPI-SP5 1.0.0.7 | unaffected |
Weaknesses
- CWE-1284: CWE-1284 Improper Validation of Specified Quantity in Input
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
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