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Vulnerability Details : CVE-2016-7466

Memory leak in the usb_xhci_exit function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator), when the xhci uses msix, allows local guest OS administrators to cause a denial of service (memory consumption and possibly QEMU process crash) by repeatedly unplugging a USB device.
Publish Date : 2016-12-09 Last Update Date : 2018-01-04
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Products Affected By CVE-2016-7466

# Product Type Vendor Product Version Update Edition Language
1 Application Qemu Qemu - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Qemu Qemu 1

- References For CVE-2016-7466

https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg02773.html
MLIST [qemu-devel] 20160913 [PATCH v2] usb:xhci:fix memory leak in usb_xhci_exit
http://www.securityfocus.com/bid/93029
BID 93029 QEMU 'hw/usb/hcd-xhci.c' Information Disclosure Vulnerability Release Date:2016-09-21
https://security.gentoo.org/glsa/201611-11
GENTOO GLSA-201611-11
https://access.redhat.com/errata/RHSA-2017:2392
REDHAT RHSA-2017:2392
http://www.openwall.com/lists/oss-security/2016/09/19/8
MLIST [oss-security] 20160920 CVE Request Qemu: usb: xhci memory leakage during device unplug
http://www.openwall.com/lists/oss-security/2016/09/20/3
MLIST [oss-security] 20160920 Re: CVE Request Qemu: usb: xhci memory leakage during device unplug
http://git.qemu.org/?p=qemu.git;a=commit;h=b53dd4495ced2432a0b652ea895e651d07336f7e CONFIRM
https://access.redhat.com/errata/RHSA-2017:2408
REDHAT RHSA-2017:2408
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
SUSE openSUSE-SU-2016:3237

- Metasploit Modules Related To CVE-2016-7466

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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