CVE-2009-4536: Debian Linux

High severity, CVSS 7.8. EPSS: 5.2% chance of exploitation in the next 30 days.

drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel 2.6.32.3 and earlier handles Ethernet frames that exceed the MTU by processing certain trailing payload data as if it were a complete frame, which allows remote attackers to bypass packet filters via a large packet with a crafted payload. NOTE: this vulnerability exists because of an incorrect fix for CVE-2009-1385.

Affected products

• Debian Debian Linux: version 4.0 only; version 5.0 only
• Linux Linux Kernel: up to and including 2.6.32.3

Published 2010-01-12. Last modified 2026-06-16.