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Fedora 25: 2016-92e3ea2d1b Critical: Xen Interrupt Modulation

fedora
Calendar Grey December 27, 2016
Dist Fedora Esm H88
Fedora Security Advisory for Xen addresses multiple critical vulnerabilities and emulation issues. Important details for system administrators.
two security flaws (#1406840) x86 PV guests may be able to mask interrupts [XSA-202, CVE-2016-10024] x86: missing NULL pointer check in VMFUNC emulation [XSA-203, CVE-2016-10025] x...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

two security flaws (#1406840) x86 PV guests may be able to mask interrupts [XSA-202, CVE-2016-10024] x86: missing NULL pointer check in VMFUNC emulation [XSA-203, CVE-2016-10025] x86: Mishandling of SYSCALL singlestep during emulation [XSA-204, CVE-2016-10013] (#1406260)

Change Log

References


[ 1 ] Bug #1402759 - CVE-2016-10025 xsa203 xen: x86: missing NULL pointer check in VMFUNC emulation (XSA-203) https://bugzilla.redhat.com/show_bug.cgi?id=1402759 [ 2 ] Bug #1402758 - CVE-2016-10024 xsa202 xen: x86 PV guests may be able to mask interrupts (XSA-202) https://bugzilla.redhat.com/show_bug.cgi?id=1402758 [ 3 ] Bug #1406259 - CVE-2016-10013 xen: x86: Mishandling of SYSCALL singlestep during emulation (XSA-204) https://bugzilla.redhat.com/show_bug.cgi?id=1406259

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 25
Version: 4.7.1
Release: 6.fc25
Summary: Xen is a virtual machine monitor

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