CVE-2025-29934 Affecting amd64-microcode package, versions <3.20251202.1ubuntu0.24.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2404-AMD64MICROCODE-14104079
- published17 Jan 2026
- disclosed21 Nov 2025
Introduced: 21 Nov 2025
CVE-2025-29934 (opens in a new tab)How to fix?
Upgrade Ubuntu:24.04 amd64-microcode to version 3.20251202.1ubuntu0.24.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream amd64-microcode package and not the amd64-microcode package as distributed by Ubuntu.
See How to fix? for Ubuntu:24.04 relevant fixed versions and status.
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.