[SECURITY] Fedora 29 Update: xen-4.11.1-4.fc29

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Fedora Update Notification
FEDORA-2019-3e89502cb1
2019-03-12 22:17:51.347547
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Name        : xen
Product     : Fedora 29
Version     : 4.11.1
Release     : 4.fc29
URL         : http://xen.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

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Update Information:

xen: various flaws (#1685577) grant table transfer issues on large hosts
[XSA-284] race with pass-through device hotplug [XSA-285] x86: steal_page
violates page_struct access discipline [XSA-287] x86: Inconsistent PV IOMMU
discipline [XSA-288] missing preemption in x86 PV page table unvalidation
[XSA-290] x86/PV: page type reference counting issue with failed IOMMU update
[XSA-291] x86: insufficient TLB flushing when using PCID [XSA-292] x86: PV
kernel context switch corruption [XSA-293] x86 shadow: Insufficient TLB flushing
when using PCID [XSA-294]
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ChangeLog:

* Tue Mar  5 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.1-4
- xen: various flaws (#1685577)
  grant table transfer issues on large hosts [XSA-284]
  race with pass-through device hotplug [XSA-285]
  x86: steal_page violates page_struct access discipline [XSA-287]
  x86: Inconsistent PV IOMMU discipline [XSA-288]
  missing preemption in x86 PV page table unvalidation [XSA-290]
  x86/PV: page type reference counting issue with failed IOMMU update [XSA-291]
  x86: insufficient TLB flushing when using PCID [XSA-292]
  x86: PV kernel context switch corruption [XSA-293]
  x86 shadow: Insufficient TLB flushing when using PCID [XSA-294]
* Thu Feb 14 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.1-3
- add gcc9 build fixes (#1676229)
* Sun Feb  3 2019 Fedora Release Engineering <releng(a)fedoraproject.org&gt; - 4.11.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Tue Dec 11 2018 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.1-1
- update to 4.11.1
  remove patches for issues now fixed upstream
  adjust xen.use.fedora.ipxe.patch
- only include qemutrad build requirements for platforms that use it
- construct ovmf.bin from edk2-ovmf package (#1656651)
* Tue Nov 20 2018 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.0-10
- insufficient TLB flushing / improper large page mappings with AMD IOMMUs
	[XSA-275, CVE-2018-19961, CVE-2018-19962] (#1651665)
- x86: DoS from attempting to use INVPCID with a non-canonical addresses
	[XSA-279, CVE-2018-19965] (#1651970)
- xen: various flaws (#1652251)
  resource accounting issues in x86 IOREQ server handling
	[XSA-276, CVE-2018-19963]
  x86: incorrect error handling for guest p2m page removals
	[XSA-277, CVE-2018-19964]
  Fix for XSA-240 conflicts with shadow paging [XSA-280, CVE-2018-19966]
* Tue Nov  6 2018 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.0-9
- guest use of HLE constructs may lock up host [XSA-282, CVE-2018-19967]
* Wed Oct 24 2018 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.0-8
- x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883]
	(#1643118)
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References:

  [ 1 ] Bug #1679321 - xen: xsa288: Inconsistent PV IOMMU discipline
        https://bugzilla.redhat.com/show_bug.cgi?id=1679321
  [ 2 ] Bug #1679326 - xen: xsa292: insufficient TLB flushing when using PCID
        https://bugzilla.redhat.com/show_bug.cgi?id=1679326
  [ 3 ] Bug #1679327 - xen: xsa293: PV kernel context switch corruption
        https://bugzilla.redhat.com/show_bug.cgi?id=1679327
  [ 4 ] Bug #1679328 - xen: xsa287: steal_page violates page_struct access discipline
        https://bugzilla.redhat.com/show_bug.cgi?id=1679328
  [ 5 ] Bug #1679332 - xen: xsa285: race with pass-through device hotplug
        https://bugzilla.redhat.com/show_bug.cgi?id=1679332
  [ 6 ] Bug #1679334 - xen: xsa290: missing preemption in x86 PV page table unvalidation
        https://bugzilla.redhat.com/show_bug.cgi?id=1679334
  [ 7 ] Bug #1683956 - xen: xsa294: Insufficient TLB flushing when using PCID
        https://bugzilla.redhat.com/show_bug.cgi?id=1683956
  [ 8 ] Bug #1685568 - xen: xsa284: grant table transfer issues on large hosts
        https://bugzilla.redhat.com/show_bug.cgi?id=1685568
  [ 9 ] Bug #1685570 - xen: xsa291: x86/PV: page type reference counting issue with failed
IOMMU update
        https://bugzilla.redhat.com/show_bug.cgi?id=1685570
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-3e89502cb1' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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/keys
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