CVE-2013-6400

Published: 13 December 2013

Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.

Priority

Medium

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 14.04 ESM (Trusty Tahr)
Released (4.3.0-1ubuntu2)
Binaries built from this source package are in Universe and so are supported by the community.
xen-3.3
Launchpad, Ubuntu, Debian
Upstream Ignored
(reached end-of-life)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Binaries built from this source package are in Universe and so are supported by the community.

Notes

AuthorNote
mdeslaur
This is XSA-80
Only 4.2.x and later are affected

References