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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.

Notes

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

Priority

Medium

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Not vulnerable

quantal Not vulnerable

raring
Released (4.2.2-0ubuntu0.13.04.3)
saucy
Released (4.3.0-1ubuntu1.2)
upstream Needs triage

Binaries built from this source package are in Universe and so are supported by the community.
xen-3.3
Launchpad, Ubuntu, Debian
lucid Not vulnerable

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

upstream Ignored
(end of life)
Binaries built from this source package are in Universe and so are supported by the community.