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Tainting from user spaceTainting from user spacePosted May 25, 2006 10:35 UTC (Thu) by remijnj (subscriber, #5838)In reply to: Tainting from user space by ncm Parent article: Tainting from user space
I think tainting is a one-way street and that a kernel can't be untainted. The article doesn't mention that writing '0' to the sysfs file untaints it.
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Tainting from user space Posted May 25, 2006 11:40 UTC (Thu) by schabi (subscriber, #14079) [Link] But given access to the whole _physical_ memory allows one to reset the taint flag.
Tainting from user space Posted May 25, 2006 12:52 UTC (Thu) by remijnj (subscriber, #5838) [Link] Hmmm, didn't think of that. You are ofcourse correct. If a user space process has access to physical memory all bets are off.
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