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redhatRedHatRHSA-2016:1585
HistoryAug 09, 2016 - 5:11 p.m.

(RHSA-2016:1585) Moderate: qemu-kvm security update

2016-08-0917:11:51
access.redhat.com
10

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

23.4%

JSON

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 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 this issue.

OSVersionArchitecturePackageVersionFilename
RedHat6x86_64qemu-kvm-tools< 0.12.1.2-2.491.el6_8.3qemu-kvm-tools-0.12.1.2-2.491.el6_8.3.x86_64.rpm
RedHat6x86_64qemu-kvm-debuginfo< 0.12.1.2-2.491.el6_8.3qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.3.x86_64.rpm
RedHat6i686qemu-kvm-debuginfo< 0.12.1.2-2.491.el6_8.3qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.3.i686.rpm
RedHat6x86_64qemu-guest-agent< 0.12.1.2-2.491.el6_8.3qemu-guest-agent-0.12.1.2-2.491.el6_8.3.x86_64.rpm
RedHat6ppc64qemu-kvm-debuginfo< 0.12.1.2-2.491.el6_8.3qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.3.ppc64.rpm
RedHat6ppc64qemu-guest-agent< 0.12.1.2-2.491.el6_8.3qemu-guest-agent-0.12.1.2-2.491.el6_8.3.ppc64.rpm
RedHat6x86_64qemu-kvm< 0.12.1.2-2.491.el6_8.3qemu-kvm-0.12.1.2-2.491.el6_8.3.x86_64.rpm
RedHat6i686qemu-guest-agent< 0.12.1.2-2.491.el6_8.3qemu-guest-agent-0.12.1.2-2.491.el6_8.3.i686.rpm
RedHat6x86_64qemu-img< 0.12.1.2-2.491.el6_8.3qemu-img-0.12.1.2-2.491.el6_8.3.x86_64.rpm
RedHat6srcqemu-kvm< 0.12.1.2-2.491.el6_8.3qemu-kvm-0.12.1.2-2.491.el6_8.3.src.rpm

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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

23.4%

JSON
Related for RHSA-2016:1585
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