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VulnerabilityPublished Updated

CVE-2025-29934: AMD EPYC™ 9004 Series Processors · Incomplete Cleanup

Affects AMD EPYC™ 9004 Series ProcessorsSource CVE Database V5

0

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Monitor AMD’s official channels for patches or microcode updates addressing CVE-2025-29934 and apply them promptly once available.
  2. Restrict local administrative privileges rigorously to minimize the risk of insider threats or unauthorized local access.
  3. Implement strict access controls and auditing on systems running AMD EPYC 9004 processors, especially those hosting SEV-SNP guests.
  4. Use hardware and software-based security monitoring to detect anomalous behavior indicative of TLB manipulation or virtualization integrity breaches.
  5. Consider isolating critical workloads or sensitive SEV-SNP guests on separate hardware or using alternative secure virtualization technologies until patches are applied.
  6. Regularly review and update virtualization platform configurations to ensure they follow best security practices recommended by AMD and virtualization vendors.
  7. Educate system administrators about the risks associated with local privilege misuse and enforce policies to reduce the likelihood of privilege escalation or misuse.
  8. Conduct penetration testing and vulnerability assessments focusing on local privilege abuse scenarios in environments using AMD EPYC 9004 processors.

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.

References

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