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Case File

CVE-2009-4026

HIGH · CVSS 7.8 EPSS 3.06%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-12-02 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2009-4026
Severity
HIGH
CVSS
7.8
EPSS
3.06%
Linux

Original NVD Description

The mac80211 subsystem in the Linux kernel before 2.6.32-rc8-next-20091201 allows remote attackers to cause a denial of service (panic) via a crafted Delete Block ACK (aka DELBA) packet, related to an erroneous "code shuffling patch."