CVE-2014-0147 Information

Description

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots which leads to incorrectly calling update_refcount() routine.

Reference

http://git.qemu.org/?p=qemu.git;a=commitdiff;h=246f65838d19db6db55bfb41117c35645a2c4789 https://bugzilla.redhat.com/show_bug.cgi?id=1086717 http://rhn.redhat.com/errata/RHSA-2014-0421.html https://bugzilla.redhat.com/show_bug.cgi?id=1078848 http://rhn.redhat.com/errata/RHSA-2014-0420.html http://www.openwall.com/lists/oss-security/2014/03/26/8