CVE-2013-0311 Information

Description

The translate_desc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bd97120fc3d1a11f3124c7c9ba1d91f51829eb85 http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html http://rhn.redhat.com/errata/RHSA-2013-0496.html http://rhn.redhat.com/errata/RHSA-2013-0579.html http://rhn.redhat.com/errata/RHSA-2013-0882.html http://rhn.redhat.com/errata/RHSA-2013-0928.html http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.7.bz2 http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 http://www.openwall.com/lists/oss-security/2013/02/20/6 https://bugzilla.redhat.com/show_bug.cgi?id=912905 https://github.com/torvalds/linux/commit/bd97120fc3d1a11f3124c7c9ba1d91f51829eb85