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Sicherheit: Mehrere Probleme in QEMU
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in QEMU
ID: FEDORA-2016-07eca37ea0
Distribution: Fedora
Plattformen: Fedora 23
Datum: Di, 31. Mai 2016, 06:35
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4439
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4020
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4441

Originalnachricht

Name        : qemu
Product : Fedora 23
Version : 2.4.1
Release : 10.fc23
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:

* CVE-2016-4020: memory leak in kvmvapic.c (bz #1326904) * CVE-2016-4439: scsi:
esb: OOB write #1 (bz #1337503) * CVE-2016-4441: scsi: esb: OOB write #2 (bz
#1337506) * Fix regression installing windows 7 with qxl/vga (bz #1339267)
-------------------------------------------------------------------------------
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References:

[ 1 ] Bug #1313686 - CVE-2016-4020 Qemu: i386: leakage of stack memory to
guest in kvmvapic.c
https://bugzilla.redhat.com/show_bug.cgi?id=1313686
[ 2 ] Bug #1337502 - CVE-2016-4439 Qemu: scsi: esp: OOB write while writing
to 's->cmdbuf' in esp_reg_write
https://bugzilla.redhat.com/show_bug.cgi?id=1337502
[ 3 ] Bug #1337505 - CVE-2016-4441 Qemu: scsi: esp: OOB write while writing
to 's->cmdbuf' in get_cmd
https://bugzilla.redhat.com/show_bug.cgi?id=1337505
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This update can be installed with the "yum" update program. Use
su -c 'yum update qemu' at the command line.
For more information, refer to "Managing Software with yum",
available at https://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
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