First published: Mon Sep 27 2010(Updated: )
Description of problem: sctp_packet_config() is called when getting the packet ready for appending of chunks. The function should not touch the current state, since it's possible to ping-pong between two transports when sending, and that can result packet corruption followed by skb overlfow crash. Upstream commit: <a href="http://git.kernel.org/linus/4bdab43323b459900578b200a4b8cf9713ac8fab">http://git.kernel.org/linus/4bdab43323b459900578b200a4b8cf9713ac8fab</a> Reference: <a href="http://marc.info/?l=linux-netdev&m=128453869227715&w=3">http://marc.info/?l=linux-netdev&m=128453869227715&w=3</a> <a href="http://www.spinics.net/lists/linux-sctp/msg01051.html">http://www.spinics.net/lists/linux-sctp/msg01051.html</a> Essentially, we are resetting the contents of the packet when it's not empty.
Credit: secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
debian/linux-2.6 | ||
Linux Linux kernel | <2.6.35.6 | |
openSUSE openSUSE | =11.3 | |
Suse Linux Enterprise Real Time Extension | =11-sp1 | |
Debian Debian Linux | =5.0 | |
Canonical Ubuntu Linux | =10.10 | |
Canonical Ubuntu Linux | =9.04 | |
Canonical Ubuntu Linux | =9.10 | |
Canonical Ubuntu Linux | =8.04 | |
Canonical Ubuntu Linux | =10.04 | |
Canonical Ubuntu Linux | =6.06 |
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