Published: 08 June 2021

Incomplete cleanup in some Intel(R) VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access.

From the Ubuntu security team

It was discovered that some Intel processors may not properly invalidate cache entries used by Intel Virtualization Technology for Directed I/O (VT-d). This may allow a local user to perform a privilege escalation attack.



CVSS 3 base score: 8.8


Package Release Status
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo)
Released (3.20210608.0ubuntu0.21.04.1)
Ubuntu 20.10 (Groovy Gorilla)
Released (3.20210608.0ubuntu0.20.10.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (3.20210608.0ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (3.20210608.0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (3.20210608.0ubuntu0.16.04.1+esm1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (3.20210608.0ubuntu0.14.04.1+esm1)