CVE-2014-3640 Information

Description

The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address which triggers access of an uninitialized socket.

Reference

http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg03543.html http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04598.html http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg04707.html http://rhn.redhat.com/errata/RHSA-2015-0349.html http://rhn.redhat.com/errata/RHSA-2015-0624.html http://www.debian.org/security/2014/dsa-3044 http://www.debian.org/security/2014/dsa-3045 http://www.ubuntu.com/usn/USN-2409-1 https://bugzilla.redhat.com/show_bug.cgi?id=1144818