The prepend_path function in fs/dcache.c in the Linux kernel before
4.2.4 does not properly handle rename actions inside a bind mount,
which allows local users to bypass an intended container protection
mechanism by renaming a directory, related to a "double-chroot
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[containers] 20150403 [PATCH review 17/19] vfs: Test for and handle paths that are unreachable from their mnt_root
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