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Bug 295661 (CVE-2009-4027) - Kernel: mac80211 delete block ACK DOS (CVE-2009-4027)
Summary: Kernel: mac80211 delete block ACK DOS (CVE-2009-4027)
Alias: CVE-2009-4027
Product: Gentoo Security
Classification: Unclassified
Component: Kernel (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Gentoo Security
Whiteboard: [linux <] [gp <2.6.31-8]
Depends on: CVE-2009-4026
  Show dependency tree
Reported: 2009-12-04 14:01 UTC by Bjoern Tropf (RETIRED)
Modified: 2013-09-15 18:47 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Bjoern Tropf (RETIRED) gentoo-dev 2009-12-04 14:01:07 UTC
Comment 1 Bjoern Tropf (RETIRED) gentoo-dev 2009-12-04 18:06:31 UTC
CVE-2009-4027 (
  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

Comment 2 Bjoern Tropf (RETIRED) gentoo-dev 2009-12-07 10:59:54 UTC
@Kernel: Please back-port these patches in the next 2.6.31 release.