CVE-2009-1184 Security feature bypass in n/a

What is CVE-2009-1184?

CVE-2009-1184 is a medium-severity vulnerability in Linux kernel, published on 5 May 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The selinux_ip_postroute_iptables_compat function in security/selinux/hooks.c in the SELinux subsystem in the Linux kernel before 2.6.27.22, and 2.6.28.x before 2.6.28.10, when compat_net is enabled, omits calls to avc_has_perm for the (1) node and (2) port, which allows local users to bypass intended restrictions on network traffic. NOTE: this was incorrectly reported as an issue fixed in 2.6.27.21.

Weakness: CWE-16

Which versions are affected by CVE-2009-1184?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-1184?

Upgrade to a fixed version.

Is CVE-2009-1184 being exploited?

There is no known exploitation of CVE-2009-1184 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-jcfv-mgf6-qw9x.