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Fedora 23: 2016-12-18 Security Advisory Critical: Xen and QEMU Issues

fedora
Calendar Grey December 19, 2016
Dist Fedora Esm H88
A crucial security notice for Fedora 34 highlights significant flaws identified in OpenSSL and Nginx, aiming to strengthen overall system integrity.
ARM guests may induce host asynchronous abort [XSA-201, CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818] (#1399747) qemu: Divide by zero vulnerability in cirrus_do_copy ...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

ARM guests may induce host asynchronous abort [XSA-201, CVE-2016-9815, CVE-2016-9816, CVE-2016-9817, CVE-2016-9818] (#1399747) qemu: Divide by zero vulnerability in cirrus_do_copy (#1399055) [CVE-2016-9921, CVE-2016-9922] Qemu: 9pfs: memory leakage via proxy/handle callbacks (#1402278) qemu ioport array overflow [XSA-199, CVE-2016-9637]

Topics%20covered

Topics Covered

security advisory critical Fedora memory leak xen qemu asynchronous abort

Change Log

References


[ 1 ] Bug #1399746 - CVE-2016-9815 CVE-2016-9816 CVE-2016-9817 CVE-2016-9818 xsa201 xen: ARM guests may induce host asynchronous abort (XSA-201) https://bugzilla.redhat.com/show_bug.cgi?id=1399746 [ 2 ] Bug #1334398 - CVE-2016-9921 CVE-2016-9922 Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy https://bugzilla.redhat.com/show_bug.cgi?id=1334398 [ 3 ] Bug #1402276 - CVE-2016-9913 CVE-2016-9914 CVE-2016-9915 CVE-2016-9916 Qemu: 9pfs: memory leakage via proxy/handle callbacks https://bugzilla.redhat.com/show_bug.cgi?id=1402276

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade xen' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: xen
Product: Fedora 23
Version: 4.5.5
Release: 5.fc23
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory critical Fedora memory leak xen qemu asynchronous abort

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