bugtraq - [SECURITY] [DSA 4201-1] xen security update

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Date: Tue, 15 May 2018 22:03:29 +0200
From: Moritz Muehlenhoff <jmm@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 4201-1] xen security update

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Debian Security Advisory DSA-4201-1                   security@...ian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
May 15, 2018                          https://www.debian.org/security/faq
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Package        : xen
CVE ID         : CVE-2018-8897 CVE-2018-10471 CVE-2018-10472 CVE-2018-10981 
                 CVE-2018-10982

Multiple vulnerabilities have been discovered in the Xen hypervisor:

CVE-2018-8897

    Andy Lutomirski and Nick Peterson discovered that incorrect handling
    of debug exceptions could result in privilege escalation.

CVE-2018-10471

    An error was discovered in the mitigations against Meltdown which
    could result in denial of service.

CVE-2018-10472

    Anthony Perard discovered that incorrect parsing of CDROM images
    can result in information disclosure.

CVE-2018-10981

    Jan Beulich discovered that malformed device models could result
    in denial of service.

CVE-2018-10982

    Roger Pau Monne discovered that incorrect handling of high precision
    event timers could result in denial of service and potentially
    privilege escalation.

For the stable distribution (stretch), these problems have been fixed in
version 4.8.3+comet2+shim4.10.0+comet3-1+deb9u6.

We recommend that you upgrade your xen packages.

For the detailed security status of xen please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/xen

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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