CVE-2010-4263: Linux Kernel

High severity, CVSS 7.9. EPSS: 2.9% chance of exploitation in the next 30 days.

The igb_receive_skb function in drivers/net/igb/igb_main.c in the Intel Gigabit Ethernet (aka igb) subsystem in the Linux kernel before 2.6.34, when Single Root I/O Virtualization (SR-IOV) and promiscuous mode are enabled but no VLANs are registered, allows remote attackers to cause a denial of service (NULL pointer dereference and panic) and possibly have unspecified other impact via a VLAN tagged frame.

Affected products

• Linux Linux Kernel: before 2.6.34 (fixed in 2.6.34)
• VMware Esx: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.5 only; version 4.0 only; …
• VMware ESXi: version 3.5 only; version 4.0 only; version 4.1 only; version 5.0 only

Published 2011-01-18. Last modified 2026-06-16.