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Fedora 27: 2017-f05808ee5b Critical: Xen Pin Count Race Issue DDoS

fedora
Calendar Grey November 11, 2017
Dist Fedora Esm H88
The recent update for Fedora 27 resolves a significant denial-of-service vulnerability tied to Xen, stemming from race conditions involving pin counts and page references.
pin count / page reference race in grant table code [XSA-236, CVE-2017-15597] (#1506693)

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

pin count / page reference race in grant table code [XSA-236, CVE-2017-15597]

(#1506693)

[ 1 ] Bug #1499815 - CVE-2017-15597 xsa236 xen: pin count / page reference race in grant table code (XSA-236)

https://bugzilla.redhat.com/show_bug.cgi?id=1499815

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

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
Low
Medium
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Critical

Product: Fedora 27
Version: 4.9.0
Release: 13.fc27
Summary: Xen is a virtual machine monitor

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