Vulnerability · Published Nov 21, 2025 · Assigned by AMD
CVE-2025-29934
Medium 5.3
In plain English
A medium-severity security flaw in AMD EPYC™ 8004 Series Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 98.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | amd64-microcode | no fix listed | DEBIAN-CVE-2025-29934 |
| Debian:13 | amd64-microcode | no fix listed | DEBIAN-CVE-2025-29934 |
| Debian:14 | amd64-microcode | 3.20251202.1 | DEBIAN-CVE-2025-29934 |
| Ubuntu:22.04:LTS | amd64-microcode | no fix listed | UBUNTU-CVE-2025-29934 |
| Ubuntu:24.04:LTS | amd64-microcode | 3.20251202.1ubuntu0.24.04.1 | UBUNTU-CVE-2025-29934 |
| Ubuntu:25.10 | amd64-microcode | 3.20251202.1ubuntu0.25.10.1 | UBUNTU-CVE-2025-29934 |
| Ubuntu:26.04:LTS | amd64-microcode | 3.20251202.1ubuntu1 | UBUNTU-CVE-2025-29934 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | see references |
| AMD | AMD EPYC™ 9005 Series Processors | see references |
| AMD | AMD EPYC™ 8004 Series Processors | see references |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | see references |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | see references |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | see references |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | see references |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | see references |
Weakness: CWE-459 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N