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Sicherheit: Zwei Probleme in QEMU
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in QEMU
ID: FEDORA-2017-8db9c497f9
Distribution: Fedora
Plattformen: Fedora 27
Datum: Sa, 11. November 2017, 10:49
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15038
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15268
Applikationen: QEMU

Originalnachricht

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Fedora Update Notification
FEDORA-2017-8db9c497f9
2017-11-11 01:32:26.765894
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Name : qemu
Product : Fedora 27
Version : 2.10.1
Release : 1.fc27
URL : http://www.qemu.org/
Summary : QEMU is a FAST! processor emulator
Description :
QEMU is a generic and open source processor emulator which achieves a good
emulation speed by using dynamic translation. QEMU has two operating modes:

* Full system emulation. In this mode, QEMU emulates a full system (for
example a PC), including a processor and various peripherials. It can be
used to launch different Operating Systems without rebooting the PC or
to debug system code.
* User mode emulation. In this mode, QEMU can launch Linux processes compiled
for one CPU on another CPU.

As QEMU requires no host kernel patches to run, it is safe and easy to use.

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Update Information:

* Fix ppc64 KVM failure (bz #1501936) * CVE-2017-15038: 9p: information
disclosure when reading extended attributes (bz #1499111) * CVE-2017-15268:
potential memory exhaustion via websock connection to VNC (bz #1496882) ----
qemu-pr-helper didn't work due to a change in the
libmultipath/libmpathpersist
APIs exposed by device-mapper-multipath-devel. This has been fixed now. Other
small changes to the qemu-pr-helper service are included. ---- Backport qemu-
pr-helper from QEMU 2.11. This daemon allows unprivileged users (who have
access to the daemon) to use persistent reservation commands on both regular
disks and multipath block devices.
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References:

[ 1 ] Bug #1499110 - CVE-2017-15038 Qemu: 9p: virtfs: information disclosure
when reading extended attributes
https://bugzilla.redhat.com/show_bug.cgi?id=1499110
[ 2 ] Bug #1496879 - CVE-2017-15268 Qemu: I/O: potential memory exhaustion
via websock connection to VNC
https://bugzilla.redhat.com/show_bug.cgi?id=1496879
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade qemu' 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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