CVE-2023-20582 json
Improper handling of invalid nested page table entries in the IOMMU may allow a privileged attacker to induce page table entry (PTE) faults…
published 2025-02-11 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2023-24761
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
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.
Patch / fix
- AMD AMD EPYC™ 9004 Processors GenoaPI 1.0.0.C, SEV FW1.55.36
- AMD AMD EPYC™ Embedded 9004 EmbGenoaPI-SP5 1.0.0.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N |
Affected products
- AMD AMD EPYC™ 9004 Processors
- AMD AMD EPYC™ Embedded 9004
Classification
- Weakness
-
- CWE-1284 Improper Validation of Specified Quantity in Input
References
Sources
- CVE List CVE-2023-20582
- NVD CVE-2023-20582
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