Re: XFS information leak during crash
From: Jan Kasprzak
Date: Wed Nov 02 2005 - 19:10:17 EST
Nathan Scott wrote:
: XFS behaves as most filesystems do and
: will write over the top of existing data.
OK, thanks for the clarification.
: XFS also rewrites files in-place. You will never get someone else's
: current data (that would be metadata corruption...),
Of course.
: it would only
: ever be uninitialised, previously-free space.
Yes, but an old data from previously deleted files
(sendmail's temporary files, vim save files, etc) may contain
a sensitive information.
-Y.
--
| Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> |
| GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
| http://www.fi.muni.cz/~kas/ Journal: http://www.fi.muni.cz/~kas/blog/ |
> Specs are a basis for _talking_about_ things. But they are _not_ a basis <
> for implementing software. --Linus Torvalds <
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