CVE-2013-4387 Information

Description

net/ipv6/ip6_output.c in the Linux kernel through 3.11.4 does not properly determine the need for UDP Fragmentation Offload (UFO) processing of small packets after the UFO queueing of a large packet which allows remote attackers to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via network traffic that triggers a large response packet.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2811ebac2521ceac84f2bdae402455baa6a7fb47 http://rhn.redhat.com/errata/RHSA-2013-1490.html http://rhn.redhat.com/errata/RHSA-2013-1645.html http://rhn.redhat.com/errata/RHSA-2014-0284.html http://www.openwall.com/lists/oss-security/2013/09/29/1 http://www.ubuntu.com/usn/USN-2019-1 http://www.ubuntu.com/usn/USN-2021-1 http://www.ubuntu.com/usn/USN-2022-1 http://www.ubuntu.com/usn/USN-2024-1 http://www.ubuntu.com/usn/USN-2038-1 http://www.ubuntu.com/usn/USN-2039-1 http://www.ubuntu.com/usn/USN-2041-1 http://www.ubuntu.com/usn/USN-2045-1 http://www.ubuntu.com/usn/USN-2049-1 http://www.ubuntu.com/usn/USN-2050-1 https://bugzilla.redhat.com/show_bug.cgi?id=1011927 https://github.com/torvalds/linux/commit/2811ebac2521ceac84f2bdae402455baa6a7fb47