The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2
does not properly maintain the semantics of rename_lock, which allows
local users to cause a denial of service (deadlock and system hang)
via a crafted application.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[linux-kernel] 20141025 fs: lockup on rename_mutex in fs/dcache.c:1035
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