CVE-2011-4087 Null dereference in n/a

What is CVE-2011-4087?

CVE-2011-4087 is a high-severity vulnerability in Linux kernel, published on 8 Jun 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-665

Which versions are affected by CVE-2011-4087?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2011-4087?

No fix has been published for CVE-2011-4087 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-4087 being exploited?

There is no known exploitation of CVE-2011-4087 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8v6f-v23v-q623.