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. 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?

No patch is currently available for CVE-2011-4087. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2011-4087 actively exploited?

CVE-2011-4087 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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.

References

The following references provide additional information about CVE-2011-4087 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Ftp
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39

Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2011/10/28/14

Mailing List Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8e9881c2aef1e982e5abc25c046820cd0b7cf64
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64
Patch

Details

CVE ID CVE-2011-4087

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2013-06-08

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

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?

No patch is currently available for CVE-2011-4087. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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.