How severe is CVE-2025-29934?

CVE-2025-29934 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-29934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-29934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-29934 have an EU (EUVD) identifier?

Yes. CVE-2025-29934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198507.

When was CVE-2025-29934 published?

CVE-2025-29934 was published on 2025-11-21 and last updated on 2026-06-17.

CVE-2025-29934

CVE-2025-29934 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-459.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198507
Weakness: CWE-459
Published: 2025-11-21
Last modified: 2026-06-17

Description

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

Frequently asked questions

What is CVE-2025-29934?: A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.
How severe is CVE-2025-29934?: CVE-2025-29934 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-29934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-29934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-29934 have an EU (EUVD) identifier?: Yes. CVE-2025-29934 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198507.
When was CVE-2025-29934 published?: CVE-2025-29934 was published on 2025-11-21 and last updated on 2026-06-17.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3029.html

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