Michael Simms

**Name of the Vulnerable Software and Affected Versions** Linux kernel versions prior to 2.6.26.5-28 on Fedora 8 Linux kernel versions prior to 2.6.26.5-45 on Fedora 9 **Description** The issue allows local users to cause a denial of service, resulting in a system crash or hang, by exploiting a NULL pointer dereference via a call to the `utrace control` function. **Recommendations** For Linux kernel versions prior to 2.6.26.5-28 on Fedora 8, update to version 2.6.26.5-28 or later. For Linux kernel versions prior to 2.6.26.5-45 on Fedora 9, update to version 2.6.26.5-45 or later.