CVE-2016-7466

Severity

21%

Complexity

39%

Confidentiality

48%

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.

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.

CVSS 3.0 Base Score 6. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H).

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P).

Overview

First reported 8 years ago

2016-12-10 00:59:00

Last updated 7 years ago

2018-01-05 02:31:00

Affected Software

QEMU

References

http://git.qemu.org/?p=qemu.git;a=commit;h=b53dd4495ced2432a0b652ea895e651d07336f7e

Issue Tracking, Patch

openSUSE-SU-2016:3237

[oss-security] 20160920 CVE Request Qemu: usb: xhci memory leakage during device unplug

Mailing List, Third Party Advisory

[oss-security] 20160920 Re: CVE Request Qemu: usb: xhci memory leakage during device unplug

Mailing List, Third Party Advisory

93029

Third Party Advisory, VDB Entry

RHSA-2017:2392

RHSA-2017:2408

[qemu-devel] 20160913 [PATCH v2] usb:xhci:fix memory leak in usb_xhci_exit

Patch, Vendor Advisory

GLSA-201611-11

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