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Date: Fri, 11 Apr 2014 11:08:19 -0400 (EDT)
From: cve-assign@...re.org
To: pmatouse@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request -- Linux kernel: net: ping: refcount issue in ping_init_sock() function
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> A flaw was found in the way ping_init_sock() function handled
> group_info struct reference counter. Since group_info refcounter is
> only incremented but never decremented in this codepath, it could lead
> to refcounter overflow and possibly to use-after-free issue later.
>
> An unprivileged local user could use this flaw to crash the system or,
> potentially, escalate their privileges on the system.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1086730
>
> https://lkml.org/lkml/2014/4/10/736 (not yet available at
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/net/ipv4/ping.c)
Use CVE-2014-2851.
- --
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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