CVE-2011-4087
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39...
CVE-2011-4087 is a high vulnerability (CVSS 7.5) in Linux Kernel, published June 8, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4087- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-665
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4087- Updated
- 2026-11-02
EUVDEUVD-2011-4038 No score
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.
- Record
EUVD-2011-4038- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8v6f-v23v-q623
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39...
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.
- Record
GHSA-8v6f-v23v-q623- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-665
- Updated
- 2026-11-02
OSVBELL-CVE-2011-4087
CVE-2011-4087 does not affect BellSoft software
- Record
BELL-CVE-2011-4087- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8e9881c2aef1e982e5abc25c046820cd0b7cf64
ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
openwall.com/lists/oss-security/2011/10/28/14
nvd.nist.gov/vuln/detail/CVE-2011-4087
docs.bell-sw.com/security/cves/CVE-2011-4087