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Test Kennung:1.3.6.1.4.1.25623.1.0.871651
Kategorie:Red Hat Local Security Checks
Titel:RedHat Update for qemu-kvm RHSA-2016:1606-01
Zusammenfassung:The remote host is missing an update for the 'qemu-kvm'; package(s) announced via the referenced advisory.
Beschreibung:Summary:
The remote host is missing an update for the 'qemu-kvm'
package(s) announced via the referenced advisory.

Vulnerability Insight:
KVM (Kernel-based Virtual Machine) is a
full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm
packages provide the user-space component for running virtual machines using KVM.

Security Fix(es):

* Quick Emulator(Qemu) built with the Block driver for iSCSI images support
(virtio-blk) is vulnerable to a heap buffer overflow issue. It could occur
while processing iSCSI asynchronous I/O ioctl(2) calls. A user inside guest
could use this flaw to crash the Qemu process resulting in DoS or
potentially leverage it to execute arbitrary code with privileges of the
Qemu process on the host. (CVE-2016-5126)

* Quick emulator(Qemu) built with the virtio framework is vulnerable to an
unbounded memory allocation issue. It was found that a malicious guest user
could submit more requests than the virtqueue size permits. Processing a
request allocates a VirtQueueElement and therefore causes unbounded memory
allocation on the host controlled by the guest. (CVE-2016-5403)

Red Hat would like to thank hongzhenhao (Marvel Team) for reporting
CVE-2016-5403.

Affected Software/OS:
qemu-kvm on Red Hat Enterprise Linux Server (v. 7)

Solution:
Please Install the Updated Packages.

CVSS Score:
4.9

CVSS Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2016-5126
90948
http://www.securityfocus.com/bid/90948
GLSA-201609-01
https://security.gentoo.org/glsa/201609-01
RHSA-2016:1606
http://rhn.redhat.com/errata/RHSA-2016-1606.html
RHSA-2016:1607
http://rhn.redhat.com/errata/RHSA-2016-1607.html
RHSA-2016:1653
http://rhn.redhat.com/errata/RHSA-2016-1653.html
RHSA-2016:1654
http://rhn.redhat.com/errata/RHSA-2016-1654.html
RHSA-2016:1655
http://rhn.redhat.com/errata/RHSA-2016-1655.html
RHSA-2016:1756
http://rhn.redhat.com/errata/RHSA-2016-1756.html
RHSA-2016:1763
http://rhn.redhat.com/errata/RHSA-2016-1763.html
USN-3047-1
http://www.ubuntu.com/usn/USN-3047-1
USN-3047-2
http://www.ubuntu.com/usn/USN-3047-2
[debian-lts-announce] 20190920 [SECURITY] [DLA 1927-1] qemu security update
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
[oss-security] 20160530 CVE Request Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl
http://www.openwall.com/lists/oss-security/2016/05/30/6
[oss-security] 20160530 Re: CVE Request Qemu: block: iscsi: buffer overflow in iscsi_aio_ioctl
http://www.openwall.com/lists/oss-security/2016/05/30/7
[qemu-block] 20160524 [Qemu-block] [PATCH] block/iscsi: avoid potential overflow of acb->task->cdb
https://lists.gnu.org/archive/html/qemu-block/2016-05/msg00779.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=a6b3167fa0e825aebb5a7cd8b437b6d41584a196
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
https://bugzilla.redhat.com/show_bug.cgi?id=1340924
Common Vulnerability Exposure (CVE) ID: CVE-2016-5403
1036476
http://www.securitytracker.com/id/1036476
92148
http://www.securityfocus.com/bid/92148
RHSA-2016:1585
http://rhn.redhat.com/errata/RHSA-2016-1585.html
RHSA-2016:1586
http://rhn.redhat.com/errata/RHSA-2016-1586.html
RHSA-2016:1652
http://rhn.redhat.com/errata/RHSA-2016-1652.html
RHSA-2016:1943
http://rhn.redhat.com/errata/RHSA-2016-1943.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://xenbits.xen.org/xsa/advisory-184.html
https://bugzilla.redhat.com/show_bug.cgi?id=1358359
CopyrightCopyright (C) 2016 Greenbone AG

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