CVE-2013-0190 Information

Description

The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23 and other versions when running a 32-bit PVOPS guest allows local users to cause a denial of service (guest crash) by triggering an iret fault leading to use of an incorrect stack pointer and stack corruption.

Reference

http://rhn.redhat.com/errata/RHSA-2013-0496.html http://www.openwall.com/lists/oss-security/2013/01/16/6 http://www.openwall.com/lists/oss-security/2013/01/16/8 http://www.securityfocus.com/bid/57433 http://www.ubuntu.com/usn/USN-1725-1 http://www.ubuntu.com/usn/USN-1728-1 https://bugzilla.redhat.com/show_bug.cgi?id=896038