[SECURITY] Fedora 21 Update: xen-4.4.1-9.fc21
updates at fedoraproject.org
updates at fedoraproject.org
Fri Dec 12 04:01:42 UTC 2014
--------------------------------------------------------------------------------
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 at 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 at 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 at 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
--------------------------------------------------------------------------------
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
--------------------------------------------------------------------------------
More information about the package-announce
mailing list