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Re: Linux 3.4+: arbitrary write with CONFIG_X86_X32 (CVE-2014-0038)


From: Solar Designer <solar () openwall com>
Date: Mon, 3 Feb 2014 10:10:46 +0400

On Sun, Feb 02, 2014 at 08:14:44AM +0400, Solar Designer wrote:
Just off Twitter:

<noptrix> recvmmsg.c - linux 3.4+ local root (CONFIG_X86_X32=y) expl0it - http://pastebin.com/DH3Lbg54

SHA-256(recvmmsg.c.txt) = 4603acf96e845cecd2c5877a68fa5b5c591ba00c52859ded2a31a9daf48a457d

for the version I just downloaded (but did not review, although it looks
sane at first glance).  The exploit includes offsets for 3 Ubuntu kernels.

Another exploit:

https://github.com/saelo/cve-2014-0038

Alexander


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