The remote host is missing an update to kernel-source-2.4.27 (2.4.27-10sarge7) announced via advisory DSA 1503-2.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201503-2

Several local and remote vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or the execution of arbitrary code. The package versions referenced in the initial DSA-1503 advisory introduced a regression that can cause hangs on systems that make use of the ext2 filesystem. The regression has been resolved in the package versions referenced by this updated advisory. For details, please visit the referenced security advisories. The following matrix lists additional packages that were rebuilt for compatibility with or to take advantage of this update: Debian 3.1 (sarge) alsa-modules-i386 1.0.8+2sarge2 fai-kernels 1.9.1sarge9 kernel-image-2.4.27-arm 2.4.27-2sarge7 kernel-image-2.4.27-m68k 2.4.27-3sarge7 kernel-image-speakup-i386 2.4.27-1.1sarge6 kernel-image-2.4.27-alpha 2.4.27-10sarge7 kernel-image-2.4.27-s390 2.4.27-2sarge7 kernel-image-2.4.27-sparc 2.4.27-9sarge7 kernel-image-2.4.27-i386 2.4.27-10sarge7 kernel-image-2.4.27-ia64 2.4.27-10sarge7 kernel-patch-2.4.27-mips 2.4.27-10.sarge4.040815-4 kernel-patch-powerpc-2.4.27 2.4.27-10sarge7 kernel-latest-2.4-alpha 101sarge3 kernel-latest-2.4-i386 101sarge2 kernel-latest-2.4-s390 2.4.27-1sarge2 kernel-latest-2.4-sparc 42sarge3 i2c 1:2.9.1-1sarge2 lm-sensors 1:2.9.1-1sarge4 mindi-kernel 2.4.27-2sarge6 pcmcia-modules-2.4.27-i386 3.2.5+2sarge2 hostap-modules-i386 1:0.3.7-1sarge3 systemimager 3.2.3-6sarge6 We recommend that you upgrade your kernel package immediately and reboot