Login
Login-Name Passwort


 
Newsletter
Werbung

Sicherheit: Mehrere Probleme in Xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Xen
ID: FEDORA-2015-5208
Distribution: Fedora
Plattformen: Fedora 21
Datum: Sa, 11. April 2015, 16:08
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2751
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2752
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2756

Originalnachricht

Name        : xen
Product : Fedora 21
Version : 4.4.2
Release : 2.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:

Long latency MMIO mapping operations are not preemptible [XSA-125,
CVE-2015-2752]
Unmediated PCI command register access in qemu [XSA-126, CVE-2015-2756]
Certain domctl operations may be abused to lock up the host [XSA-127,
CVE-2015-2751]
update to xen-4.4.2
-------------------------------------------------------------------------------
-
ChangeLog:

* 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 #1203732 - CVE-2015-2752 xen: long latency MMIO mapping operations
are not preemptible (xsa125)
https://bugzilla.redhat.com/show_bug.cgi?id=1203732
[ 2 ] Bug #1203737 - CVE-2015-2756 xen: unmediated PCI command register
access in qemu (xsa126)
https://bugzilla.redhat.com/show_bug.cgi?id=1203737
[ 3 ] Bug #1203745 - CVE-2015-2751 xen: certain domctl operations may be
abused to lock up the host
https://bugzilla.redhat.com/show_bug.cgi?id=1203745
-------------------------------------------------------------------------------
-

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
Pro-Linux
Traut euch!
Neue Nachrichten
Werbung