CVE-2009-4027

N/A Unknown
Published: December 02, 2009 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/38017
Source: secalert@redhat.com
http://secunia.com/advisories/38492
Source: secalert@redhat.com
http://www.securityfocus.com/bid/37170
Source: secalert@redhat.com
http://www.ubuntu.com/usn/usn-864-1
Source: secalert@redhat.com
http://secunia.com/advisories/38017
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/38492
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2010/dsa-1996
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2010-0380.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/37170
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/usn-864-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=541149
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
1.1%
78th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux