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January 5, 2018 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/zTLKah6_Hgg/when-f00f-bug-hit-20-years-ago-intel-reacted-the-same-way
When F00F Bug Hit 20 Years Ago, Intel Reacted the Same Way
troublemaker_23 writes: A little more than 20 years ago, Intel faced a problem with its processors, though it was not as big an issue as compared to the speculative execution bugs that were revealed this week. The 1997 bug, which came to be known as the F00F bug, allowed a malicious person to freeze up Pentium MMX and "classic" Pentium computers. Any Intel Pentium/Pentium MMX could be remotely and anonymously caused to hang, merely by sending it the byte sequence "F0 0F C7 C8". At the time, Intel said it learnt about the bug on 7 November 1997, but a report said that at least two people had indicated on an Intel newsgroup that the company knew about it earlier before. The processor firm confirmed the existence on 10 November. But, says veteran Linux sysadmin Rick Moen, the company's reaction to that bug was quite similar to the way it has reacted to this week's disclosures. "Intel has a long history of trying to dissemble and misdirect their way out of paying for grave CPU flaws," Moen said in a post to Linux Users of Victoria mailing list. "Remember the 'Pentium Processor Invalid Instruction Erratum' of 1997, exposing all Intel Pentium and Pentium MMX CPUs to remote security attack, stopping them in their tracks if they could be induced to run processory instruction 'F0 0F C7 C8'? "No, of course you don't. That's why Intel gave it the mind-numbingly boring official name 'Pentium Processor Invalid Instruction Erratum', hoping to replace its popular names 'F00F bug' and 'Halt-and-Catch Fire bug'."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/zTLKah6_Hgg/when-f00f-bug-hit-20-years-ago-intel-reacted-the-same-way
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