CVE-2011-4087

High

The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.

Package Linux Kernel
Published 2013-06-08
Last modified 2026-04-29
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-665

CVE-2011-4087 is classified as CWE-665

See CWE-665 on MITRE CWE for full details on this weakness type.

Frequently asked questions

  • What is CVE-2011-4087?

    CVE-2011-4087 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . CVE-2011-4087 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2011-4087?

    CVE-2011-4087 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2011-4087?

    Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2011-4087 patch availability.

  • Is CVE-2011-4087 actively exploited?

    No. CVE-2011-4087 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.