--------------------------------------------------------------------------------Fedora Update Notification
FEDORA-2017-5945560816
2017-12-19 18:22:41.465563
--------------------------------------------------------------------------------Name        : xen
Product     : Fedora 27
Version     : 4.9.1
Release     : 4.fc27
URL         : https://xenproject.org/
Summary     : Xen is a virtual machine monitor
Description :
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor

--------------------------------------------------------------------------------Update Information:

another patch related to the [XSA-240, CVE-2017-15595] issue x86 PV guests may
gain access to internally used page [XSA-248] broken x86 shadow mode refcount
overflow check [XSA-249] improper x86 shadow mode refcount error handling
[XSA-250] improper bug check in x86 log-dirty handling [XSA-251]
--------------------------------------------------------------------------------References:

  [ 1 ] Bug #1518656 - CVE-2017-17566 xsa248 xen: x86 PV guests may gain access to internally used pages (XSA-248)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518656
  [ 2 ] Bug #1518657 - CVE-2017-17563 xsa249 xen: broken x86 shadow mode refcount overflow check (XSA-249)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518657
  [ 3 ] Bug #1518658 - CVE-2017-17564 xsa250 xen: improper x86 shadow mode refcount error handling (XSA-250)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518658
  [ 4 ] Bug #1518659 - CVE-2017-17565 xsa251 xen: improper bug check in x86 log-dirty handling (XSA-251)
        https://bugzilla.redhat.com/show_bug.cgi?id=1518659
--------------------------------------------------------------------------------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

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/
--------------------------------------------------------------------------------
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Fedora 27: xen Security Update 2017-5945560816

December 19, 2017
another patch related to the [XSA-240, CVE-2017-15595] issue x86 PV guests may gain access to internally used page [XSA-248] broken x86 shadow mode refcount overflow check [XSA-249...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

another patch related to the [XSA-240, CVE-2017-15595] issue x86 PV guests may

gain access to internally used page [XSA-248] broken x86 shadow mode refcount

overflow check [XSA-249] improper x86 shadow mode refcount error handling

[XSA-250] improper bug check in x86 log-dirty handling [XSA-251]

[ 1 ] Bug #1518656 - CVE-2017-17566 xsa248 xen: x86 PV guests may gain access to internally used pages (XSA-248)

https://bugzilla.redhat.com/show_bug.cgi?id=1518656

[ 2 ] Bug #1518657 - CVE-2017-17563 xsa249 xen: broken x86 shadow mode refcount overflow check (XSA-249)

https://bugzilla.redhat.com/show_bug.cgi?id=1518657

[ 3 ] Bug #1518658 - CVE-2017-17564 xsa250 xen: improper x86 shadow mode refcount error handling (XSA-250)

https://bugzilla.redhat.com/show_bug.cgi?id=1518658

[ 4 ] Bug #1518659 - CVE-2017-17565 xsa251 xen: improper bug check in x86 log-dirty handling (XSA-251)

https://bugzilla.redhat.com/show_bug.cgi?id=1518659

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

FEDORA-2017-5945560816 2017-12-19 18:22:41.465563 Product : Fedora 27 Version : 4.9.1 Release : 4.fc27 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor another patch related to the [XSA-240, CVE-2017-15595] issue x86 PV guests may gain access to internally used page [XSA-248] broken x86 shadow mode refcount overflow check [XSA-249] improper x86 shadow mode refcount error handling [XSA-250] improper bug check in x86 log-dirty handling [XSA-251] [ 1 ] Bug #1518656 - CVE-2017-17566 xsa248 xen: x86 PV guests may gain access to internally used pages (XSA-248) https://bugzilla.redhat.com/show_bug.cgi?id=1518656 [ 2 ] Bug #1518657 - CVE-2017-17563 xsa249 xen: broken x86 shadow mode refcount overflow check (XSA-249) https://bugzilla.redhat.com/show_bug.cgi?id=1518657 [ 3 ] Bug #1518658 - CVE-2017-17564 xsa250 xen: improper x86 shadow mode refcount error handling (XSA-250) https://bugzilla.redhat.com/show_bug.cgi?id=1518658 [ 4 ] Bug #1518659 - CVE-2017-17565 xsa251 xen: improper bug check in x86 log-dirty handling (XSA-251) https://bugzilla.redhat.com/show_bug.cgi?id=1518659 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
Product : Fedora 27
Version : 4.9.1
Release : 4.fc27
URL : https://xenproject.org/
Summary : Xen is a virtual machine monitor

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