CVE-2009-3280: Linux Kernel

High severity, CVSS 7.8. EPSS: 3.2% chance of exploitation in the next 30 days.

Integer signedness error in the find_ie function in net/wireless/scan.c in the cfg80211 subsystem in the Linux kernel before 2.6.31.1-rc1 allows remote attackers to cause a denial of service (soft lockup) via malformed packets.

Affected products

  • Linux Linux Kernel: up to and including 2.6.31

Published 2009-09-21. Last modified 2026-06-16.