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Sicherheit: Mehrere Probleme in Xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Xen
ID: FEDORA-2017-b3bdaf58bc
Distribution: Fedora
Plattformen: Fedora 24
Datum: So, 2. Juli 2017, 09:06
Referenzen: https://bugzilla.redhat.com/show_bug.cgi?id=1458877
https://bugzilla.redhat.com/show_bug.cgi?id=1458875
https://bugzilla.redhat.com/show_bug.cgi?id=1458876
https://bugzilla.redhat.com/show_bug.cgi?id=1458878
https://bugzilla.redhat.com/show_bug.cgi?id=1458873
https://bugzilla.redhat.com/show_bug.cgi?id=1459515
https://bugzilla.redhat.com/show_bug.cgi?id=1458874
https://bugzilla.redhat.com/show_bug.cgi?id=1458872
https://bugzilla.redhat.com/show_bug.cgi?id=1458870
https://bugzilla.redhat.com/show_bug.cgi?id=1458871

Originalnachricht

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Fedora Update Notification
FEDORA-2017-b3bdaf58bc
2017-07-01 21:00:30.997417
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Name : xen
Product : Fedora 24
Version : 4.6.5
Release : 7.fc24
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:

xen: various flaws (#1463247) blkif responses leak backend stack data [XSA-216]
page transfer may allow PV guest to elevate privilege [XSA-217] Races in the
grant table unmap code [XSA-218] x86: insufficient reference counts during
shadow emulation [XSA-219] x86: PKRU and BND* leakage between vCPU-s [XSA-220]
stale P2M mappings due to insufficient error checking [XSA-222] ARM guest
disabling interrupt may crash Xen [XSA-223] grant table operations mishandle
reference counts [XSA-224] arm: vgic: Out-of-bound access when sending SGIs
[XSA-225] NULL pointer deref in event channel poll [XSA-221] (#1463231)
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References:

[ 1 ] Bug #1458870 - xsa216 xen: blkif responses leak backend stack data
(XSA-216)
https://bugzilla.redhat.com/show_bug.cgi?id=1458870
[ 2 ] Bug #1458871 - xsa217 xen: page transfer may allow PV guest to elevate
privilege (XSA-217)
https://bugzilla.redhat.com/show_bug.cgi?id=1458871
[ 3 ] Bug #1458872 - xsa218 xen: Races in the grant table unmap code
(XSA-218)
https://bugzilla.redhat.com/show_bug.cgi?id=1458872
[ 4 ] Bug #1458873 - xsa219 xen: x86: insufficient reference counts during
shadow emulation (XSA-219)
https://bugzilla.redhat.com/show_bug.cgi?id=1458873
[ 5 ] Bug #1458874 - xsa220 xen: x86: PKRU and BND* leakage between vCPU-s
(XSA-220)
https://bugzilla.redhat.com/show_bug.cgi?id=1458874
[ 6 ] Bug #1458876 - xsa222 xen: stale P2M mappings due to insufficient error
checking (XSA-222)
https://bugzilla.redhat.com/show_bug.cgi?id=1458876
[ 7 ] Bug #1458877 - xsa223 xen: ARM guest disabling interrupt may crash Xen
(XSA-223)
https://bugzilla.redhat.com/show_bug.cgi?id=1458877
[ 8 ] Bug #1458878 - xsa224 xen: grant table operations mishandle reference
counts (XSA-224)
https://bugzilla.redhat.com/show_bug.cgi?id=1458878
[ 9 ] Bug #1459515 - xsa225 xen: arm: vgic: Out-of-bound access when sending
SGIs (XSA-225)
https://bugzilla.redhat.com/show_bug.cgi?id=1459515
[ 10 ] Bug #1458875 - xsa221 xen: NULL pointer deref in event channel poll
(XSA-221)
https://bugzilla.redhat.com/show_bug.cgi?id=1458875
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade xen' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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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