[SECURITY] Fedora 30 Update: xen-4.11.2-3.fc30

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Fedora Update Notification
FEDORA-2019-cbb732f760
2019-11-28 01:30:37.434294
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Name        : xen
Product     : Fedora 30
Version     : 4.11.2
Release     : 3.fc30
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:

add missing XSA-299 patches x86: Machine Check Error on Page Size Change DoS
[XSA-304, CVE-2018-12207] TSX Asynchronous Abort speculative side channel
[XSA-305, CVE-2019-11135]  ----  VCPUOP_initialise DoS [XSA-296, CVE-2019-18420]
missing descriptor table limit checking in x86 PV emulation [XSA-298,
CVE-2019-18425] Issues with restartable PV type change operations [XSA-299,
CVE-2019-18421] (#1767726) add-to-physmap can be abused to DoS Arm hosts
[XSA-301, CVE-2019-18423] passed through PCI devices may corrupt host memory
after deassignment [XSA-302, CVE-2019-18424] (#1767731) ARM: Interrupts are
unconditionally unmasked in exception handlers [XSA-303, CVE-2019-18422]
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ChangeLog:

* Tue Nov 12 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.2-3
- add missing XSA-299 patches
- x86: Machine Check Error on Page Size Change DoS [XSA-304, CVE-2018-12207]
- TSX Asynchronous Abort speculative side channel [XSA-305, CVE-2019-11135]
* Fri Nov  1 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.2-2
- VCPUOP_initialise DoS [XSA-296, CVE-2019-18420] (#1771368)
- missing descriptor table limit checking in x86 PV emulation [XSA-298,
	CVE-2019-18425] (#1771341)
- Issues with restartable PV type change operations [XSA-299, CVE-2019-18421]
	(#1767726)
- add-to-physmap can be abused to DoS Arm hosts [XSA-301, CVE-2019-18423]
	(#1771345)
- passed through PCI devices may corrupt host memory after deassignment
	[XSA-302, CVE-2019-18424] (#1767731)
- ARM: Interrupts are unconditionally unmasked in exception handlers
	[XSA-303, CVE-2019-18422] (#1771443)
* Mon Jul  1 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.2-1
- update to 4.11.2
  remove patches now fixed upstream
  adjust xen.use.fedora.ipxe.patch
  drop parts of xen.gcc9.fixes.patch
* Sat Jun 15 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.1-6
- Unlimited Arm Atomics Operations [XSA-295, CVE-2019-17349,
	CVE-2019-17350] (#1720760)
* Tue May 14 2019 Michael Young <m.a.young(a)durham.ac.uk&gt; - 4.11.1-5
- Microarchitectural Data Sampling speculative side channel [XSA-297,
	CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091]
- additional patches so above applies cleanly
- work around grub2 issues in dom0
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References:

  [ 1 ] Bug #1767730 - CVE-2019-18424 xen: passed through PCI devices may corrupt host
memory after deassignment leading to privilege escalation
        https://bugzilla.redhat.com/show_bug.cgi?id=1767730
  [ 2 ] Bug #1771340 - CVE-2019-18425 xen: missing descriptor table limit checking in x86
PV emulation leading to privilege escalation
        https://bugzilla.redhat.com/show_bug.cgi?id=1771340
  [ 3 ] Bug #1771344 - CVE-2019-18423 xen: add-to-physmap can be abused to DoS Arm hosts
        https://bugzilla.redhat.com/show_bug.cgi?id=1771344
  [ 4 ] Bug #1771366 - CVE-2019-18420 xen: allows guest OS users to cause denial of
service via VCPUOP_initialise hypercall
        https://bugzilla.redhat.com/show_bug.cgi?id=1771366
  [ 5 ] Bug #1771442 - CVE-2019-18422 xen: ARM: Interrupts are unconditionally unmasked in
exception handlers
        https://bugzilla.redhat.com/show_bug.cgi?id=1771442
  [ 6 ] Bug #1765043 - CVE-2019-18421 xen: a malicious PV guest administrator may be able
to escalate their privilege to that of the host
        https://bugzilla.redhat.com/show_bug.cgi?id=1765043
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-cbb732f760' 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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