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List: oss-security
Subject: [oss-security] Re: Linux kernel: CVE-2017-2636: local privilege escalation flaw in n_hdlc
From: Alexander Popov <alex.popov () linux ! com>
Date: 2017-03-30 11:55:42
Message-ID: f3785fb8-b95a-522b-14b4-94e8cefb02ab () linux ! com
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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.
Hello,
I've published the write-up: https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
--
Alexander
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