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CVE-2014-1895

Published: 1 April 2014

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.

Notes

AuthorNote
mdeslaur
This is XSA-85
4.2+ only

Priority

Medium

Status

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

precise Not vulnerable

quantal Not vulnerable

saucy
Released (4.3.0-1ubuntu1.3)
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

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.