Debug Exception Delivery in Secure Nested Paging
Published Jan 11, 2024
3.2
LOWCVSS 3.1
EPSS 0.29%
Description
A privileged attacker can prevent delivery of debug exceptions to SEV-SNP guests potentially resulting in guests not receiving expected debug information.
Affected products
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- Version variousStatusaffectedConstraints-
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AMD | 3rd Gen AMD EPYC™ Processors | affected |
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| AMD | 4th Gen AMD EPYC™ Processors | affected |
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No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Virtualization 4
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Virtualization 4 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 11, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.29% (0.00289) | 19.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.29% (0.00289) | 20.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00073) | 19.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 10.81th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.04% (0.00043) | 8.89th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.04% (0.00043) | 6.85th | v3 (v2023.03.01) |
References (6)
- https://access.redhat.com/security/cve/CVE-2023-20573 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253702 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-20573
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3006 vendor-advisoryVendor Advisory
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3006.html
- https://www.cve.org/CVERecord?id=CVE-2023-20573
Change history (0)
No recorded changes yet.