Linux · Linux · CVE-2004-0814
**Name of the Vulnerable Software and Affected Versions**
Linux versions 2.4.x through 2.6.8
**Description**
The issue concerns multiple race conditions in the terminal layer, allowing local users to obtain portions of kernel data via a TIOCSETD ioctl call to a terminal interface being accessed by another thread. Additionally, remote attackers can cause a denial of service by switching from console to PPP line discipline and then quickly sending data during the switch.
**Recommendations**
For Linux versions 2.4.x through 2.6.8, update to version 2.6.9 or later to resolve the issue.