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Re: CVE request: Linux kernel - information leak in md driver


From: cve-assign () mitre org
Date: Wed, 29 Jul 2015 08:42:07 -0400 (EDT)

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http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/?id=77ba0569d4c8389c0a2162ab0c7c16a6f3b199e4

copy_to_user(arg, file, sizeof(*file))

But if bitmap is disabled only the first byte of "file" is initialized
with zero, so it's possible to read some bytes (up to 4095) of kernel
space memory from user space. This is an information leak.

Use CVE-2015-5697.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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