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Fedora 23: 2015-394835a3f6 Moderate: Xen CPU Lockup During Exception

fedora
Calendar Grey November 23, 2015
Scroller Fedora
Fedora 23's newest update fixes CPU hang issues during exception handling in the Xen hypervisor, addressing several CVEs to improve system stability and security
x86: CPU lockup during exception delivery [XSA-156, CVE-2015-5307, CVE-2015-8104] ---- update to 4.5.2

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

x86: CPU lockup during exception delivery [XSA-156, CVE-2015-5307, CVE-2015-8104] ---- update to 4.5.2

Topics%20covered

Topics Covered

security advisory Fedora DoS exception handling Xen CPU lockup

Change Log

References


[ 1 ] Bug #1277172 - CVE-2015-5307 virt: guest to host DoS by triggering an infinite loop in microcode via #AC exception https://bugzilla.redhat.com/show_bug.cgi?id=1277172 [ 2 ] Bug #1278496 - CVE-2015-8104 virt: guest to host DoS by triggering an infinite loop in microcode via #DB exception https://bugzilla.redhat.com/show_bug.cgi?id=1278496

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update xen' at the command line. For more information, refer to "Managing Software with yum", available at .

Name: xen
Product: Fedora 23
Version: 4.5.2
Release: 2.fc23
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory Fedora DoS exception handling Xen CPU lockup

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