CVE-2009-4027

kernel: mac80211: fix spurious delBA handling

Published Dec 2, 2009 CVSS 2.0 · 7.1 High EPSS 2.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1996-1 New Linux 2.6.26 packages fix several vulnerabilities
EUVD EUVD EUVD-2009-3998 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.
Ubuntu USN Ubuntu USN USN-864-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 6:45 AM
Reserved
Nov 20, 2009, 12:00 AM
Status
Modified
Published
Dec 2, 2009, 4:30 PM
Modified
Jun 16, 2026, 11:12 PM
Severity
Important
Public date
Nov 30, 2009, 12:00 AM