--- title: "CVE-2005-2709\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2005-2709?format=md keywords: index, follow --- # CVE-2005-2709 Publication date 20 November 2005 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The sysctl functionality (sysctl.c) in Linux kernel before 2.6.14.1 allows local users to cause a denial of service (kernel oops) and possibly execute code by opening an interface file in /proc/sys/net/ipv4/conf/, waiting until the interface is unregistered, then obtaining and modifying function pointers in memory that was used for the ctl\_table. ## Status Show unmaintained releases --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2709) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2005-2709) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2005-2709) * [Debian](https://security-tracker.debian.org/tracker/CVE-2005-2709) ### Related Ubuntu Security Notices (USN) + [USN-219-1](https://usn.ubuntu.com/USN-219-1) + Linux kernel vulnerabilities + 22 November 2005 ### Other references *