CVE-2013-7263 Information

Description

The Linux kernel before 3.12.4 updates certain length values before ensuring that associated data structures have been initialized which allows local users to obtain sensitive information from kernel stack memory via a (1) recvfrom (2) recvmmsg or (3) recvmsg system call related to net/ipv4/ping.c net/ipv4/raw.c net/ipv4/udp.c net/ipv6/raw.c and net/ipv6/udp.c.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bceaa90240b6019ed73b49965eac7d167610be69 http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html http://rhn.redhat.com/errata/RHSA-2014-0159.html http://rhn.redhat.com/errata/RHSA-2014-0285.html http://seclists.org/oss-sec/2014/q1/29 http://secunia.com/advisories/55882 http://secunia.com/advisories/56036 http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4 http://www.openwall.com/lists/oss-security/2013/11/28/13 http://www.ubuntu.com/usn/USN-2107-1 http://www.ubuntu.com/usn/USN-2108-1 http://www.ubuntu.com/usn/USN-2109-1 http://www.ubuntu.com/usn/USN-2110-1 http://www.ubuntu.com/usn/USN-2113-1 http://www.ubuntu.com/usn/USN-2117-1 http://www.ubuntu.com/usn/USN-2135-1 http://www.ubuntu.com/usn/USN-2136-1 http://www.ubuntu.com/usn/USN-2138-1 http://www.ubuntu.com/usn/USN-2139-1 http://www.ubuntu.com/usn/USN-2141-1 https://bugzilla.redhat.com/show_bug.cgi?id=1035875 https://github.com/torvalds/linux/commit/bceaa90240b6019ed73b49965eac7d167610be69