CVE-2009-4027

HighCVSS 7.1/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.1/10AV:N/AC:M/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-362

Affected software

No affected versions have been published.

Timeline

Published
Dec 2, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-4027: High severity, CVSS 7.1 | Vulnix