CVE-2011-1583 Information

Description

Multiple integer overflows in tools/libxc/xc_dom_bzimageloader.c in Xen 3.2 3.3 4.0 and 4.1 allow local users to cause a denial of service and possibly execute arbitrary code via a crafted paravirtualised guest kernel image that triggers (1) a buffer overflow during a decompression loop or (2) an out-of-bounds read in the loader involving unspecified length fields.

Reference

http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00483.html http://lists.xensource.com/archives/html/xen-devel/2011-05/msg00491.html http://rhn.redhat.com/errata/RHSA-2011-0496.html