CVE-2011-4087

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.96% Top 25%
Third-Party Advisory osuosl.org Third-Party Advisory openwall.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64 exploit third party advisory patch
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8e9881c2aef1e982e5abc25c046820cd0b7cf64
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 third party advisory
http://www.openwall.com/lists/oss-security/2011/10/28/14 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2011-4087?
CVE-2011-4087 has been scored as a high severity vulnerability.
How to fix CVE-2011-4087?
To fix CVE-2011-4087, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4087 being actively exploited in the wild?
It is possible that CVE-2011-4087 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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