oss-security - CVE-2016-8630 kernel: kvm: x86: NULL pointer dereference duringinstruction decode

Follow @Openwall on Twitter for new release announcements and other news

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <alpine.LFD.2.20.1611221311230.12350@wniryva>
Date: Tue, 22 Nov 2016 13:16:46 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Owen Hofmann <osh@...gle.com>
Subject: CVE-2016-8630 kernel: kvm: x86: NULL pointer dereference duringinstruction
 decode

   Hello,

Linux kernel built with the Kernel-based Virtual Machine (CONFIG_KVM) support 
is vulnerable to a null pointer dereference flaw. It could occur on x86 
platform, when emulating an undefined instruction.

A user/process could use this flaw to crash the host kernel resulting in DoS.

Upstream patch:
---------------
   -> https://git.kernel.org/linus/d9092f52d7e61dd1557f2db2400ddb430e85937e

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1393350

CVE-2016-8630 was assigned to this issue by Red Hat Inc.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.