Mandrake Linux Security Advisory : kernel (MDKSA-2004:087)
Low Nessus Plugin ID 14387
SynopsisThe remote Mandrake Linux host is missing one or more security updates.
DescriptionA race condition was discovered in the 64bit file offset handling by Paul Starzetz from iSEC. The file offset pointer (f_pos) is changed during reading, writing, and seeking through a file in order to point to the current position of a file. The value conversion between both the 32bit and 64bit API in the kernel, as well as access to the f_pos pointer, is defective. As a result, a local attacker can abuse this vulnerability to gain access to uninitialized kernel memory, mostly via entries in the /proc filesystem. This kernel memory can possibly contain information like the root password, and other sensitive data.
The updated kernel packages provided are patched to protect against this vulnerability, and all users are encouraged to upgrade immediately.
SolutionUpdate the affected packages.