CVE-2009-4027 Information

Description

Race condition in the mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (system crash) via a Delete Block ACK (aka DELBA) packet that triggers a certain state change in the absence of an aggregation session.

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=827d42c9ac91ddd728e4f4a31fefb906ef2ceff7 http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html http://secunia.com/advisories/38017 http://secunia.com/advisories/38492 http://www.debian.org/security/2010/dsa-1996 http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091201.gz http://www.redhat.com/support/errata/RHSA-2010-0380.html http://www.securityfocus.com/bid/37170 http://www.ubuntu.com/usn/usn-864-1 https://bugzilla.redhat.com/show_bug.cgi?id=541149 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11583