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Fedora 25: 2017-054729ab08 Critical: Xen Memory Leakage and Breakout

fedora
Calendar Grey April 9, 2017
Dist Fedora Esm H88
Uncover the Fedora 25 xen security patch targeting issues of host memory leaks and guest escape threats.
Qemu: 9pfs: host memory leakage via v9fs_create [CVE-2017-7377] (#1437873) x86: broken check in memory_exchange() permits PV guest breakout [XSA-212, CVE-2017-7228] (#1438804)

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

Update Information:

Qemu: 9pfs: host memory leakage via v9fs_create [CVE-2017-7377] (#1437873) x86: broken check in memory_exchange() permits PV guest breakout [XSA-212, CVE-2017-7228] (#1438804)

Topics%20covered

Topics Covered

security advisory fedora critical update xen hypervisor memory leakage qemu issue guest breakout

Change Log

References


[ 1 ] Bug #1437871 - CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create https://bugzilla.redhat.com/show_bug.cgi?id=1437871 [ 2 ] Bug #1434741 - CVE-2017-7228 xsa212 xen: x86: broken check in memory_exchange() permits PV guest breakout (XSA-212) https://bugzilla.redhat.com/show_bug.cgi?id=1434741

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: 4.7.2
Release: 5.fc25
URL: https://xenproject.org/
Summary: Xen is a virtual machine monitor

Topics%20covered

Topics Covered

security advisory fedora critical update xen hypervisor memory leakage qemu issue guest breakout

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