Sicherheit: Mehrere Probleme in Xen - Pro-Linux

Name        : xen
Product     : Fedora 19
Version     : 4.2.5
Release     : 5.fc19
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:

Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling

Insufficient restrictions on certain MMU update hypercalls,

Missing privilege level checks in x86 emulation of far branches,

Add fix for CVE-2014-0150 to qemu-dm, though it probably isn't

exploitable from xen
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ChangeLog:

* Thu Nov 20 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.5-5
- Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling
	[XSA-113] (#1166261)
* Wed Nov 19 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.5-4
- Insufficient restrictions on certain MMU update hypercalls [XSA-109,
	CVE-2014-8594] (#1165205)
- Missing privilege level checks in x86 emulation of far branches [XSA-110,
	CVE-2014-8595] (#1165204)
- Add fix for CVE-2014-0150 to qemu-dm, though it probably isn't
	exploitable from xen (#1086776)
* Wed Oct  1 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.5-3
- Improper MSR range used for x2APIC emulation [XSA-108, CVE-2014-7188]
	(#1148465)
* Tue Sep 23 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.5-2
- Race condition in HVMOP_track_dirty_vram [XSA-104, CVE-2014-7154] (#1145736)
- Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation
	[XSA-105, CVE-2014-7155] (#1145737)
- Missing privilege level checks in x86 emulation of software interrupts
	[XSA-106, CVE-2014-7156] (#1145738)
* Tue Sep  2 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.5-1
- update to xen-4.2.5
  remove patches for fixes that are now included
* Thu Aug 14 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-7
- Long latency virtual-mmu operations are not preemptible
	[XSA-97, CVE-2014-5146]
* Fri Jun 20 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-6
- Hypervisor heap contents leaked to guest [XSA-100, CVE-2014-4021]
	(#1110316) with extra patch to avoid regression
* Sun Jun 15 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-5
- Vulnerabilities in HVM MSI injection [XSA-96, CVE-2014-3967,CVE-2014-3968]
	(#1104583)
* Thu May  1 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-4
- HVMOP_set_mem_type allows invalid P2M entries to be created
	[XSA-92, CVE-2014-3124] (#1093315)
* Wed Mar 26 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-3
- HVMOP_set_mem_access is not preemptible [XSA-89, CVE-2014-2599] (#1080425)
* Wed Feb 19 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-2
- 32-bit fix for "Guest triggerable AMD CPU erratum may cause host
 hang"
    [XSA-82, CVE-2013-6885]
* Tue Feb 18 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.4-1
- update to xen-4.2.4
  includes fix for "Excessive time to disable caching with HVM guests with
    PCI passthrough" [XSA-60, CVE-2013-2212] (#987914)
- remove patches that are now included
* Wed Feb 12 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-16
- use-after-free in xc_cpupool_getinfo() under memory pressure [XSA-88,
    CVE-2014-1950] (#1064491)
* Thu Feb  6 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-15
- integer overflow in several XSM/Flask hypercalls [XSA-84, CVE-2014-1891,
    CVE-2014-1892, CVE-2014-1893, CVE-2014-1894]
  Off-by-one error in FLASK_AVC_CACHESTAT hypercall [XSA-85, CVE-2014-1895]
  libvchan failure handling malicious ring indexes [XSA-86, CVE-2014-1896]
    (#1062335)
* Fri Jan 24 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-14
- PHYSDEVOP_{prepare,release}_msix exposed to unprivileged pv guests
    [XSA-87, CVE-2014-1666] (#1058398)
* Thu Jan 23 2014 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-13
- Out-of-memory condition yielding memory corruption during IRQ setup
    [XSA-83, CVE-2014-1642] (#1057142)
* Wed Dec 11 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-12
- IOMMU TLB flushing may be inadvertently suppressed [XSA-80, CVE-2013-6400]
    (#1040024)
* Mon Dec  2 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-11
- HVM guest triggerable AMD CPU erratum may cause host hang
    [XSA-82, CVE-2013-6885]
* Tue Nov 26 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-10
- Lock order reversal between page_alloc_lock and mm_rwlock
    [XSA-74, CVE-2013-4553] (#1034925)
- Hypercalls exposed to privilege rings 1 and 2 of HVM guests
    [XSA-76, CVE-2013-4554] (#1034923)
* Thu Nov 21 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-9
- Insufficient TLB flushing in VT-d (iommu) code
    [XSA-78, CVE-2013-6375] (#1033149)
* Sat Nov  9 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-8
- Host crash due to HVM guest VMX instruction execution
    [XSA-75, CVE-2013-4551] (#1029055)
* Fri Nov  1 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-7
- Lock order reversal between page allocation and grant table locks
    [XSA-73, CVE-2013-4494] (#1026248)
* Tue Oct 29 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-6
- ocaml xenstored mishandles oversized message replies
    [XSA-72, CVE-2013-4416] (#1024450)
* Fri Oct 25 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-5
- systemd changes to allow oxenstored to be used instead of xenstored
 (#1022640)
* Thu Oct 10 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-4
- security fixes (#1017843)
  Information leak through outs instruction emulation in 64-bit PV guests
    [XSA-67, CVE-2013-4368]
  possible null dereference when parsing vif ratelimiting info
    [XSA-68, CVE-2013-4369]
  misplaced free in ocaml xc_vcpu_getaffinity stub
    [XSA-69, CVE-2013-4370]
  use-after-free in libxl_list_cpupool under memory pressure
    [XSA-70, CVE-2013-4371]
  qemu disk backend (qdisk) resource leak (Fedora doesn't build this qemu)
    [XSA-71, CVE-2013-4375]
* Wed Oct  2 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-3
- Set "Domain-0" label in xenstored.service systemd file to match
  xencommons init.d script.
- security fixes (#1013748)
  Information leaks to HVM guests through I/O instruction emulation
    [XSA-63, CVE-2013-4355]
  Information leak to HVM guests through fbld instruction emulation
    [XSA-66, CVE-2013-4361]
* Wed Sep 25 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-2
- Information leak on AVX and/or LWP capable CPUs [XSA-62, CVE-2013-1442]
  (#1012056)
* Mon Sep  9 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.3-1
- update to xen-4.2.3
  includes fix for [XSA-61, CVE-2013-4329] libxl partially sets up HVM
  passthrough even with disabled iommu
- remove included or unnecessary patches
* Wed Jun 26 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.2-10
- XSA-45/CVE-2013-1918 breaks page reference counting [XSA-58,
  CVE-2013-1432] (#978383)
- let pygrub handle set default="${next_entry}" line in F19 (#978036)
- libxl: Set vfb and vkb devid if not done so by the caller (#977987)
* Mon Jun 24 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.2-9
- add upstream patch for PCI passthrough problems after XSA-46 (#977310)
* Fri Jun 21 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.2-8
- xenstore permissions not set correctly by libxl [XSA-57,
  CVE-2013-2211] (#976779)
* Fri Jun 14 2013 Michael Young <m.a.young@durham.ac.uk> - 4.2.2-7
- Revised fixes for [XSA-55, CVE-2013-2194 CVE-2013-2195
  CVE-2013-2196] (#970640)
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References:

  [ 1 ] Bug #1166913 - CVE-2014-9030 kernel: xen: Guest effectable page
 reference leak in MMU_MACHPHYS_UPDATE handling
        https://bugzilla.redhat.com/show_bug.cgi?id=1166913
  [ 2 ] Bug #1160664 - CVE-2014-8594 kernel: xen: Insufficient restrictions on
 certain MMU update hypercalls (xsa109)
        https://bugzilla.redhat.com/show_bug.cgi?id=1160664
  [ 3 ] Bug #1160643 - CVE-2014-8595 kernel: xen: Missing privilege level
 checks in x86 emulation of far branches (xsa110)
        https://bugzilla.redhat.com/show_bug.cgi?id=1160643
  [ 4 ] Bug #1078846 - CVE-2014-0150 qemu: virtio-net: buffer overflow in
 virtio_net_handle_mac() function
        https://bugzilla.redhat.com/show_bug.cgi?id=1078846
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This update can be installed with the "yum" update program.  Use
su -c 'yum update xen' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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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