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Fedora 28: FEDORA-2018-f12345f67a Critical: Kernel Information Disclosure

fedora
Calendar Grey November 21, 2017
Dist Fedora Esm H88
Xen security patch released for Fedora 27 fixes bugs that could cause hypervisor failures and various security vulnerabilities.
fix an issue in patch for [XSA-240, CVE-2017-15595] that might be a security issue fix for [XSA-243, CVE-2017-15592] could cause hypervisor crash (DOS)

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

fix an issue in patch for [XSA-240, CVE-2017-15595] that might be a security

issue fix for [XSA-243, CVE-2017-15592] could cause hypervisor crash (DOS)

[ 1 ] Bug #1499823 - CVE-2017-15592 xsa243 xen: x86: Incorrect handling of self-linear shadow mappings with translated guests (XSA-243)

https://bugzilla.redhat.com/show_bug.cgi?id=1499823

[ 2 ] Bug #1499820 - CVE-2017-15595 xsa240 xen: Unlimited recursion in linear pagetable de-typing (XSA-240)

https://bugzilla.redhat.com/show_bug.cgi?id=1499820

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

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Change Log

References

Update Instructions

Severity
critical
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Product: Fedora 27
Version: 4.9.0
Release: 14.fc27
Summary: Xen is a virtual machine monitor

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