Flaw pops up in Linux kernel - News - ZDNet:
"Linux users have been urged to fix a flaw in the core component of the open-source operating system, following the public release of code that could be used to crash Linux systems.
The flaw, found by two software programmers, could give a user with access to a Linux system the ability to crash the system using two dozen lines of code written in the C programming language, said an advisory posted over the weekend on linuxreviews."
"Assume your kernel is (vulnerable) unless you have good reason to believe it is safe," Oyvind Saether, one of the discoverers of the flaw, said in the advisory.
The program, dubbed "evil.c," causes problems with the code sent to the floating-point unit, the part of the processor that handles noninteger calculations, according to a note in a source code patch published by Linux founder Linus Torvalds.
The open-source Linux operating system has fallen prey to its share of flaws and attacks this year. Several flaws were found in the Concurrent Versions System, CVS, a commonly used application for managing open-source code under development. In March and April, online attackers targeted Linux and Solaris systems at many academic high-performance computing centers.…
http://zdnet.com.com/2100-1105_2-5235028.html
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