swapfile security weakeness

Jakub Vlasek (www@pilsedu.cz)
Thu, 5 Nov 1998 20:39:18 +0100 (CET)

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Hi,
i've found that active swapfile could be deleted, which is
IMHO very dangerous (set immutable flag on in sys_swapon call?). Also,
sys_swapon should check whether owner of swapfile is root and is readable
only to root ( memory readableby anyone? hmm...)

J.Vlasek

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