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Sigurnosni nedostaci programskog paketa xen

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Fedora Update Notification
FEDORA-2015-9466
2015-06-05 16:27:10
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Name : xen
Product : Fedora 21
Version : 4.4.2
Release : 5.fc21
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

——————————————————————————–
Update Information:

Potential unintended writes to host MSI message data field via qemu
[XSA-128, CVE-2015-4103],
PCI MSI mask bits inadvertently exposed to guests [XSA-129,
CVE-2015-4104],
Guest triggerable qemu MSI-X pass-through error messages [XSA-130,
CVE-2015-4105],
Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106]
——————————————————————————–
ChangeLog:

* Tue Jun 2 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.2-5
– Potential unintended writes to host MSI message data field via qemu
[XSA-128, CVE-2015-4103]
– PCI MSI mask bits inadvertently exposed to guests [XSA-129, CVE-2015-4104]
– Guest triggerable qemu MSI-X pass-through error messages [XSA-130,
CVE-2015-4105]
– Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106]
* Wed May 13 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.2-4
– Privilege escalation via emulated floppy disk drive [XSA-133,
CVE-2015-3456] (#1221153)
* Mon Apr 20 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.2-3
– Information leak through XEN_DOMCTL_gettscinfo [XSA-132,
CVE-2015-3340] (#1214037)
* Tue Mar 31 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.2-2
– Long latency MMIO mapping operations are not preemptible [XSA-125,
CVE-2015-2752] (#1207741)
– Unmediated PCI command register access in qemu [XSA-126,
CVE-2015-2756] (#1307738)
– Certain domctl operations may be abused to lock up the host [XSA-127,
CVE-2015-2751] (#1207739)
* Mon Mar 23 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.2-1
– update to xen-4.4.2
remove patches for fixes that are now included
* Fri Mar 13 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-16
– Additional patch for XSA-98 on arm64
* Thu Mar 12 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-15
– HVM qemu unexpectedly enabling emulated VGA graphics backends [XSA-119,
CVE-2015-2152] (#1201365)
* Wed Mar 11 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-14
– Hypervisor memory corruption due to x86 emulator flaw [XSA-123,
CVE-2015-2151] (#1200398)
* Thu Mar 5 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-13
– enable building pngs from fig files which is working again
– fix oxenstored.service preset preuninstall script
– arm: vgic: incorrect rate limiting of guest triggered logging [XSA-118,
CVE-2015-1563] (#1187153)
– Information leak via internal x86 system device emulation [XSA-121,
CVE-2015-2044]
– Information leak through version information hypercall [XSA-122,
CVE-2015-2045]
* Tue Jan 6 2015 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-12
– xen crash due to use after free on hvm guest teardown [XSA-116,
CVE-2015-0361] (#1179221)
* Tue Dec 16 2014 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-11
– fix xendomains issue introduced by xl migrate –debug patch
* Mon Dec 8 2014 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-10
– p2m lock starvation [XSA-114, CVE-2014-9065]
– fix build with –without xsm
* Thu Nov 27 2014 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-9
– Excessive checking in compatibility mode hypercall argument translation
[XSA-111, CVE-2014-8866]
– Insufficient bounding of “REP MOVS” to MMIO emulated inside the hypervisor
[XSA-112, CVE-2014-8867]
– fix segfaults and failures in xl migrate –debug (#1166461)
* Thu Nov 20 2014 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-8
– Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling
[XSA-113, CVE-2014-9030] (#1166914)
* Tue Nov 18 2014 Michael Young <m.a.young@durham.ac.uk> – 4.4.1-7
– 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)
——————————————————————————–
References:

[ 1 ] Bug #1223846 – CVE-2015-4103 xen: potential unintended writes to host MSI message data field via qemu (xsa-128)
https://bugzilla.redhat.com/show_bug.cgi?id=1223846
[ 2 ] Bug #1223851 – CVE-2015-4104 xen: PCI MSI mask bits inadvertently exposed to guests (xsa-129)
https://bugzilla.redhat.com/show_bug.cgi?id=1223851
[ 3 ] Bug #1223853 – xen: guest triggerable qemu MSI-X pass-through error messages (xsa-130)
https://bugzilla.redhat.com/show_bug.cgi?id=1223853
[ 4 ] Bug #1223859 – xen: unmediated PCI register access in qemu (xsa-131)
https://bugzilla.redhat.com/show_bug.cgi?id=1223859
——————————————————————————–

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
——————————————————————————–
_______________________________________________
package-announce mailing list
package-announce@lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/package-announce

——————————————————————————–
Fedora Update Notification
FEDORA-2015-9456
2015-06-05 16:26:49
——————————————————————————–

Name : xen
Product : Fedora 22
Version : 4.5.0
Release : 10.fc22
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

——————————————————————————–
Update Information:

replace deprecated gnutls use in qemu-xen-traditional based on qemu-xen patches,
work around a gcc 5 bug,
Potential unintended writes to host MSI message data field via qemu
[XSA-128, CVE-2015-4103],
PCI MSI mask bits inadvertently exposed to guests [XSA-129,
CVE-2015-4104],
Guest triggerable qemu MSI-X pass-through error messages [XSA-130,
CVE-2015-4105],
Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106]
——————————————————————————–
ChangeLog:

* Tue Jun 2 2015 Michael Young <m.a.young@durham.ac.uk> – 4.5.0-10
– replace deprecated gnutls use in qemu-xen-traditional based on
qemu-xen patches
– work around a gcc 5 bug
– Potential unintended writes to host MSI message data field via qemu
[XSA-128, CVE-2015-4103]
– PCI MSI mask bits inadvertently exposed to guests [XSA-129, CVE-2015-4104]
– Guest triggerable qemu MSI-X pass-through error messages [XSA-130,
CVE-2015-4105]
– Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106]
* Wed May 13 2015 Michael Young <m.a.young@durham.ac.uk> – 4.5.0-9
– Privilege escalation via emulated floppy disk drive [XSA-133,
CVE-2015-3456] (#1221153)
——————————————————————————–
References:

[ 1 ] Bug #1223846 – CVE-2015-4103 xen: potential unintended writes to host MSI message data field via qemu (xsa-128)
https://bugzilla.redhat.com/show_bug.cgi?id=1223846
[ 2 ] Bug #1223851 – CVE-2015-4104 xen: PCI MSI mask bits inadvertently exposed to guests (xsa-129)
https://bugzilla.redhat.com/show_bug.cgi?id=1223851
[ 3 ] Bug #1223853 – xen: guest triggerable qemu MSI-X pass-through error messages (xsa-130)
https://bugzilla.redhat.com/show_bug.cgi?id=1223853
[ 4 ] Bug #1223859 – xen: unmediated PCI register access in qemu (xsa-131)
https://bugzilla.redhat.com/show_bug.cgi?id=1223859
——————————————————————————–

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
——————————————————————————–
_______________________________________________
package-announce mailing list
package-announce@lists.fedoraproject.org
https://admin.fedoraproject.org/mailman/listinfo/package-announce

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