oss-security - CVE Request: Linux kernel: s390: crash due to linkage stack instruction

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Message-ID: <alpine.LFD.2.10.1402202147001.466@wniryva.cad.erqung.pbz>
Date: Thu, 20 Feb 2014 21:48:53 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE Request: Linux kernel: s390: crash due to linkage stack
 instruction

    Hello,

Linux kernel built for the s390 architecture(CONFIG_S390) is vulnerable to a 
crash due to low-address protection exception. It occurs when an application 
uses a linkage stack instruction.

An unprivileged user/application could use this flaw to crash the system 
resulting in DoS.

Upstream fix:
-------------
   -> https://git.kernel.org/linus/8d7f6690cedb83456edd41c9bd583783f0703bf0

Reference:
----------
   -> https://bugzilla.redhat.com/show_bug.cgi?id=1067558

Thank you.
--
Prasad J Pandit / Red Hat Security Response Team

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