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Sicherheit: Zahlenüberlauf in qemu
Aktuelle Meldungen Distributionen
Name: Zahlenüberlauf in qemu
ID: SUSE-SU-2018:2679-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Basesystem 15, SUSE Linux Enterprise Module for Server Applications 15
Datum: Mo, 10. September 2018, 22:45
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12617
Applikationen: QEMU

Originalnachricht

   SUSE Security Update: Security update for qemu
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:2679-1
Rating: moderate
References: #1094898 #1098735 #1102604 #1103628 #1105279

Cross-References: CVE-2018-12617
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15
SUSE Linux Enterprise Module for Basesystem 15
______________________________________________________________________________

An update that solves one vulnerability and has four fixes
is now available.

Description:

This update for qemu fixes the following issues:

This security issue was fixed:

- CVE-2018-12617: qmp_guest_file_read had an integer overflow that could
have been exploited by sending a crafted QMP command (including
guest-file-read with a large count value) to the agent via the listening
socket causing DoS (bsc#1098735)

These non-security issues were fixed:

- Allow kvm group access to /dev/sev (bsc#1102604).
- Fix for the value used for reduced_phys_bits. Please update the
reduced_phys_bits value used on the commandline or in libvirt XML to the
value 1 (explicitly set now in QEMU code). (bsc#1103628)
- Fix (again) the qemu guest agent udev rule file, which got unfixed in a
series of unfortunate events (bsc#1094898 and now bsc#1105279)


Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Module for Server Applications 15:

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2018-1866=1

- SUSE Linux Enterprise Module for Basesystem 15:

zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1866=1



Package List:

- SUSE Linux Enterprise Module for Server Applications 15 (aarch64 ppc64le
s390x x86_64):

qemu-2.11.2-9.9.1
qemu-block-curl-2.11.2-9.9.1
qemu-block-curl-debuginfo-2.11.2-9.9.1
qemu-block-iscsi-2.11.2-9.9.1
qemu-block-iscsi-debuginfo-2.11.2-9.9.1
qemu-block-rbd-2.11.2-9.9.1
qemu-block-rbd-debuginfo-2.11.2-9.9.1
qemu-block-ssh-2.11.2-9.9.1
qemu-block-ssh-debuginfo-2.11.2-9.9.1
qemu-debuginfo-2.11.2-9.9.1
qemu-debugsource-2.11.2-9.9.1
qemu-guest-agent-2.11.2-9.9.1
qemu-guest-agent-debuginfo-2.11.2-9.9.1
qemu-lang-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (s390x x86_64):

qemu-kvm-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (aarch64):

qemu-arm-2.11.2-9.9.1
qemu-arm-debuginfo-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (ppc64le):

qemu-ppc-2.11.2-9.9.1
qemu-ppc-debuginfo-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (x86_64):

qemu-x86-2.11.2-9.9.1
qemu-x86-debuginfo-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (noarch):

qemu-ipxe-1.0.0-9.9.1
qemu-seabios-1.11.0-9.9.1
qemu-sgabios-8-9.9.1
qemu-vgabios-1.11.0-9.9.1

- SUSE Linux Enterprise Module for Server Applications 15 (s390x):

qemu-s390-2.11.2-9.9.1
qemu-s390-debuginfo-2.11.2-9.9.1

- SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x
x86_64):

qemu-debuginfo-2.11.2-9.9.1
qemu-debugsource-2.11.2-9.9.1
qemu-tools-2.11.2-9.9.1
qemu-tools-debuginfo-2.11.2-9.9.1


References:

https://www.suse.com/security/cve/CVE-2018-12617.html
https://bugzilla.suse.com/1094898
https://bugzilla.suse.com/1098735
https://bugzilla.suse.com/1102604
https://bugzilla.suse.com/1103628
https://bugzilla.suse.com/1105279

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