CVE-2025-29934: AMD EPYC™ 9004 Series Processors · Incomplete Cleanup
Affects AMD EPYC™ 9004 Series ProcessorsSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- Monitor AMD’s official channels for patches or microcode updates addressing CVE-2025-29934 and apply them promptly once available.
- Restrict local administrative privileges rigorously to minimize the risk of insider threats or unauthorized local access.
- Implement strict access controls and auditing on systems running AMD EPYC 9004 processors, especially those hosting SEV-SNP guests.
- Use hardware and software-based security monitoring to detect anomalous behavior indicative of TLB manipulation or virtualization integrity breaches.
- Consider isolating critical workloads or sensitive SEV-SNP guests on separate hardware or using alternative secure virtualization technologies until patches are applied.
- Regularly review and update virtualization platform configurations to ensure they follow best security practices recommended by AMD and virtualization vendors.
- Educate system administrators about the risks associated with local privilege misuse and enforce policies to reduce the likelihood of privilege escalation or misuse.
- 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.