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."
Published 2009-12-02 16:30:01
Updated 2023-02-13 02:20:36
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2009-4026

Threat overview for CVE-2009-4026

Top countries where our scanners detected CVE-2009-4026
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-4026 235,061
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4026!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4026

3.76%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-4026

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
HIGH AV:N/AC:L/Au:N/C:N/I:N/A:C
10.0
6.9
NIST

Vendor statements for CVE-2009-4026

  • Red Hat 2009-12-03
    Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commits d75636ef and d92684e6 that introduced the problem.
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