Is CVE-2010-4263 being actively exploited?

CVE-2010-4263 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-4263?

CVE-2010-4263 has a CVSS 2.0 base score of 7.9 (HIGH).

CVE-2010-4263

HIGH · CVSS 7.9EPSS 2.9%EU EUVD

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.

Key facts

CVSS score: 7.9 (v2.0)
Severity: HIGH
CVSS vector: AV:A/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-476
EPSS score: 2.9% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-4236)
Published: January 18, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-4236 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esx
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi
vmware / esxi

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(Exploit, Mailing List, Patch, Third Party Advisory)
http://openwall.com/lists/oss-security/2010/12/06/9(Exploit, Mailing List, Patch, Third Party Advisory)
http://secunia.com/advisories/42884(Third Party Advisory)
http://secunia.com/advisories/42890(Third Party Advisory)
http://secunia.com/advisories/46397(Third Party Advisory)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34(Release Notes, Vendor Advisory)
http://www.redhat.com/support/errata/RHSA-2011-0007.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2011-0017.html(Third Party Advisory)
http://www.securityfocus.com/archive/1/520102/100/0/threaded(Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/45208(Third Party Advisory, VDB Entry)
http://www.vmware.com/security/advisories/VMSA-2011-0012.html(Third Party Advisory)
https://bugzilla.kernel.org/show_bug.cgi?id=15582(Exploit, Issue Tracking, Patch, Vendor Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=660188(Exploit, Issue Tracking, Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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