HIGH · 7.1

CVE-2009-4027

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) pack...

Vulnerability 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.

CVSS Score

7.1

HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE

Affected Products

VendorProductVersions
LinuxLinux Kernel<= 2.6.32

Related Weaknesses (CWE)

References

FAQ

What is CVE-2009-4027?

CVE-2009-4027 is a vulnerability with a CVSS score of 7.1 (HIGH). 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) pack...

How severe is CVE-2009-4027?

CVE-2009-4027 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2009-4027?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.