The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates unsafe waiter modification.
Publish Date : 2014-06-07 Last Update Date : 2017-12-28
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This module exploits a bug in futex_requeue in the Linux kernel, using similar techniques employed by the towelroot exploit. Any Android device with a kernel built before June 2014 is likely to be vulnerable.
Module type : exploit
Rank : excellent
Platforms : Android,Linux
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