CVE-2011-2723 Information

Description

The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4 when Generic Receive Offload (GRO) is enabled resets certain fields in incorrect situations which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=17dd759c67f21e34f2156abcf415e1f60605a188 http://marc.info/?l=bugtraq&m=139447903326211&w=2 http://openwall.com/lists/oss-security/2011/07/28/13 http://openwall.com/lists/oss-security/2011/07/29/1 http://securitytracker.com/id?1025876 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 http://www.redhat.com/support/errata/RHSA-2011-1321.html http://www.securityfocus.com/bid/48929 https://bugzilla.redhat.com/show_bug.cgi?id=726552