What’s Vulnerable › Vulnerabilities

CVE-2010-4263

• Severity: high (CVSS 7.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2011-01-18 · updated 2026-06-16
• Weakness: CWE-476

Description

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 kernel: before 2.6.34 — fixed in 2.6.34
• VMware ESX: 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.5, 3.5-update1 (+4)
• VMware ESXi: 3.5, 3.5-1, 4.0, 4.0-1, 4.0-2, 4.0-3 (+7)

How to fix

Upgrade to a fixed version: Linux kernel 2.6.34. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=31b24b955c3ebbb6f3008a6374e61cf7c05a193c
• http://openwall.com/lists/oss-security/2010/12/06/3
• http://openwall.com/lists/oss-security/2010/12/06/9
• http://secunia.com/advisories/42884
• http://secunia.com/advisories/42890
• http://secunia.com/advisories/46397
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
• http://www.redhat.com/support/errata/RHSA-2011-0007.html
• http://www.redhat.com/support/errata/RHSA-2011-0017.html
• http://www.securityfocus.com/archive/1/520102/100/0/threaded
• http://www.securityfocus.com/bid/45208
• http://www.vmware.com/security/advisories/VMSA-2011-0012.html

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