CVE-2013-0190

MEDIUM

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.

References

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

Details

Source: MITRE

Published: 2013-02-13

Updated: 2013-03-08

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM