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Re: kern/54947: chroot mount file systems leak the actual path in superblock
The following reply was made to PR kern/54947; it has been noted by GNATS.
Subject: Re: kern/54947: chroot mount file systems leak the actual path in
Date: Sun, 9 Feb 2020 16:24:44 +0000
It's worth noting that if you can mount a filesystem, you can likely
perform raw writes to the underlying block.
e.g. write malicious.kmod somewhere in /stand, and open a matching
device in /dev, causing your malicious module to be loaded.
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