Debian Security Advisory DSA 2053-1 (linux-2.6)

Summary
The remote host is missing an update to linux-2.6 announced via advisory DSA 2053-1.
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202053-1
Insight
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation. For details, please visit the referenced security advisories. This update also includes fixes a regression introduced by a previous update. See the referenced Debian bug page for details. For the stable distribution (lenny), these problems have been fixed in version 2.6.26-22lenny1. We recommend that you upgrade your linux-2.6 and user-mode-linux