Fedora 29: 2018-2fde555d91 High: Xen DoS Threats Resolved

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

insufficient TLB flushing / improper large page mappings with AMD IOMMUs

[XSA-275] (#1651665) resource accounting issues in x86 IOREQ server handling

[XSA-276] x86: incorrect error handling for guest p2m page removals [XSA-277]

x86: DoS from attempting to use INVPCID with a non-canonical addresses [XSA-279]

Fix for XSA-240 conflicts with shadow paging [XSA-280]

* Tue Nov 20 2018 Michael Young - 4.11.0-10

- insufficient TLB flushing / improper large page mappings with AMD IOMMUs

[XSA-275] (#1651665)

- resource accounting issues in x86 IOREQ server handling [XSA-276]

- x86: incorrect error handling for guest p2m page removals [XSA-277]

- x86: DoS from attempting to use INVPCID with a non-canonical addresses

[XSA-279]

- Fix for XSA-240 conflicts with shadow paging [XSA-280]

* Tue Nov 6 2018 Michael Young - 4.11.0-9

- guest use of HLE constructs may lock up host [XSA-282]

* Wed Oct 24 2018 Michael Young - 4.11.0-8

- x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883]

(#1643118)

[ 1 ] Bug #1647573 - xen: insufficient TLB flushing / improper large page mappings with AMD IOMMUs

https://bugzilla.redhat.com/show_bug.cgi?id=1647573

[ 2 ] Bug #1647588 - xen: x86: DoS from attempting to use INVPCID with a non-canonical addresses

https://bugzilla.redhat.com/show_bug.cgi?id=1647588

[ 3 ] Bug #1652231 - xsa276 xen: resource accounting issues in x86 IOREQ server handling (XSA-276)

https://bugzilla.redhat.com/show_bug.cgi?id=1652231

[ 4 ] Bug #1652227 - xsa277 xen: x86: incorrect error handling for guest p2m page removals (XSA-277)

https://bugzilla.redhat.com/show_bug.cgi?id=1652227

[ 5 ] Bug #1652235 - xsa280 xen: Conflicts with shadow paging due to XSA-240 incomplete fix (XSA-280)

https://bugzilla.redhat.com/show_bug.cgi?id=1652235

su -c 'dnf upgrade --advisory FEDORA-2018-2fde555d91' 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

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https://fedoraproject.org/security/

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