Sigurnosni nedostaci programskog paketa xen

——————————————————————————–
Fedora Update Notification
FEDORA-2014-16017
2014-12-01 18:07:17
——————————————————————————–

Name : xen
Product : Fedora 19
Version : 4.2.5
Release : 6.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

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

* Thu Nov 27 2014 Michael Young <m.a.young@durham.ac.uk> – 4.2.5-6
– 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> – 4.2.5-5
– Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling
[XSA-113, CVE-2014-9030] (#1166914)
* 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)
——————————————————————————–
References:

[ 1 ] Bug #1166461 – migrate –debug option can lead to Segmentation fault (core dumped)
https://bugzilla.redhat.com/show_bug.cgi?id=1166461
——————————————————————————–

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-2014-15995
2014-12-01 18:06:26
——————————————————————————–

Name : xen
Product : Fedora 20
Version : 4.3.3
Release : 6.fc20
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:

* Thu Nov 27 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.3-6
– 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> – 4.3.3-5
– Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling
[XSA-113, CVE-2014-9030] (#1166914)
* Wed Nov 19 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.3-4
– 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> – 4.3.3-3
– 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> – 4.3.3-2
– 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> – 4.3.3-1
– update to xen-4.3.3
remove patches for fixes that are now included
* Wed Aug 13 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.2-7
– 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> – 4.3.2-6
– 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> – 4.3.2-5
– Fix %if line typo in the spec file
– Vulnerabilities in HVM MSI injection [XSA-96, CVE-2014-3967,CVE-2014-3968]
(#1104583)
* Sun May 11 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.2-4
– add systemd preset support (#1094938)
* Thu May 1 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.2-3
– 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> – 4.3.2-2
– HVMOP_set_mem_access is not preemptible [XSA-89, CVE-2014-2599] (#1080425)
* Tue Feb 18 2014 Michael Young <m.a.young@durham.ac.uk> – 4.3.2-1
– update to xen-4.3.2
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> – 4.3.1-10
– 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> – 4.3.1-9
– 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> – 4.3.1-8
– 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> – 4.3.1-7
– 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> – 4.3.1-6
– Disaggregated domain management security status update [XSA-77]
– 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> – 4.3.1-5
– 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> – 4.3.1-4
– 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> – 4.3.1-3
– Insufficient TLB flushing in VT-d (iommu) code
[XSA-78, CVE-2013-6375] (#1033149)
——————————————————————————–
References:

——————————————————————————–
Fedora Update Notification
FEDORA-2014-15951
2014-11-29 20:36:45
——————————————————————————–

Name : xen
Product : Fedora 21
Version : 4.4.1
Release : 9.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:

Excessive checking in compatibility mode hypercall argument translation,
Insufficient bounding of “REP MOVS” to MMIO emulated inside the hypervisor,
fix segfaults and failures in xl migrate –debug
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
——————————————————————————–
ChangeLog:

* 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 #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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