Unspecified vulnerability in Redhat Linux 5.1 dumpreg in Red Hat Linux 5.1 opens /dev/mem with O_RDWR access, which allows local users to cause a denial of service (crash) by redirecting fd 1 (stdout) to the kernel.
Unspecified vulnerability in Redhat Linux 5.0 ifdhcpc-done script for configuring DHCP on Red Hat Linux 5 allows local users to append text to arbitrary files via a symlink attack on the dhcplog file.