Kernel 2.4.18 and 2.4.19 has some vulnerability that will permit an attacker to leverage priveleges on the system through device drivers. It is not known if the attack is available remotely, though why should we wait to find out?
Affected Kernels list available here.Some of the security issues are related to the following device drivers:
Info about vulnerabilities is available here.
Patch information is available here.
Just a friendly F.Y.I. Get your systems patched and be safer than sorry.
Regards and good luck