The ieee80211_fragment function in net/mac80211/tx.c in the Linux kernel before 3.13.5 does not properly maintain a certain tail pointer, which allows remote attackers to obtain sensitive cleartext information by reading packets.
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://rhn.redhat.com/errata/RHSA-2015-0290.html
http://rhn.redhat.com/errata/RHSA-2015-1272.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/98922
https://github.com/torvalds/linux/commit/338f977f4eb441e69bb9a46eaa0ac715c931a67f
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.5