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Date: Thu, 30 Mar 2017 14:55:42 +0300
From: Alexander Popov <>
Subject: Re: Linux kernel: CVE-2017-2636: local privilege escalation flaw in

On 07.03.2017 20:45, Alexander Popov wrote:
> This is an announcement of CVE-2017-2636, which is a race condition in
> the n_hdlc Linux kernel driver (drivers/tty/n_hdlc.c). It can be exploited
> to gain a local privilege escalation.
> This driver provides HDLC serial line discipline and comes as a kernel module
> in many Linux distributions, which have CONFIG_N_HDLC=m in the kernel config.


I've published the write-up:


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