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Date: Thu, 10 May 2018 08:05:56 -0400 (EDT)
From: Vladis Dronov <vdronov@...hat.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2018-1130: Linux kernel: dccp: a null pointer dereference in
 net/dccp/output.c:dccp_write_xmit

Hello,

A null pointer dereference in dccp_write_xmit() function in net/dccp/output.c
in the Linux kernel before v4.16-rc7 allows a local user to cause a denial of
service by a number of certain crafted system calls.

References:

https://syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94

https://marc.info/?t=152036611500003&r=1&w=2

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=67f93df79aeefc3add4e4b31a752600f834236e2

Best regards,
Vladis Dronov | Red Hat, Inc. | Product Security Engineer

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