Date published: 2014-04-15T19:13:13.337-04:00
Date last modified: 2014-04-16T09:57:39.067-04:00
CVSS Score: 4.4
Principal attack vector: LOCAL
Reference URL: http://www.openwall.com/lists/oss-security/2014/03/24/6
Summary: The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of service (“scheduling while atomic” error and host crash) via a malformed packet, which causes a mutex to be taken when trying to disable the interface.