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Fedora 27: libvirt Security Update - Critical Resource Exhaustion Fix

fedora
Calendar Grey March 1, 2018
Dist Fedora Esm H88
Fedora 27 has released a security patch for Libvirt, fixing severe vulnerabilities related to code injection and resource depletion.
* CVE-2018-5748: resource exhaustion via qemuMonitorIORead() (bz #1535785) * CVE-2018-6764: code injection via libvirt_lxc (bz #1542815) * Fix hotplug disk failure (bz #1540872)

Summary

Libvirt is a C toolkit to interact with the virtualization capabilities

of recent versions of Linux (and other OSes). The main package includes

the libvirtd server exporting the virtualization support.

* CVE-2018-5748: resource exhaustion via qemuMonitorIORead() (bz #1535785) *

CVE-2018-6764: code injection via libvirt_lxc (bz #1542815) * Fix hotplug disk

failure (bz #1540872)

[ 1 ] Bug #1528396 - CVE-2018-5748 Libvirt: resource exhaustion via qemuMonitorIORead() method

https://bugzilla.redhat.com/show_bug.cgi?id=1528396

[ 2 ] Bug #1541444 - CVE-2018-6764 libvirt: guest could inject executable code via libnss_dns.so loaded by libvirt_lxc before init

https://bugzilla.redhat.com/show_bug.cgi?id=1541444

su -c 'dnf upgrade libvirt' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Change Log

References

Update Instructions

Severity
critical
Lowest
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Medium
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Critical

Product: Fedora 27
Version: 3.7.0
Release: 4.fc27
Summary: Library providing a simple virtualization API

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