Xen Security Update for Debian 9
Posted on: 05/16/2018 08:04 AM

Updated Xen packages has been released for Debian GNU/Linux 9

Xen Security Update for Debian 9

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Debian Security Advisory DSA-4201-1 security@debian.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

Multiple vulnerabilities have been discovered in the Xen hypervisor:


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


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


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


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


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:

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/

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