CVE-2025-29946

Publication date 10 February 2026

Last updated 27 February 2026


Ubuntu priority

Description

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.

Read the notes from the security team

Status

Package Ubuntu Release Status
amd64-microcode 25.10 questing
Needs evaluation
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


rodrigo-zaiden

affects SEV FW, supported in microcode package starting from noble