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cve[email protected]CVE-2016-7466
HistoryDec 10, 2016 - 12:59 a.m.

CVE-2016-7466

2016-12-1000:59:19
CWE-772
[email protected]
web.nvd.nist.gov
37
4
cve-2016-7466
memory leak
usb_xhci_exit
qemu
denial of service
nvd
vulnerability
security

1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%

JSON

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.

Affected configurations

NVD
Node
qemuqemuRange≤2.7.1
Node
opensuseleapMatch42.2
Node
redhatopenstackMatch6.0
OR
redhatopenstackMatch7.0
OR
redhatopenstackMatch8
OR
redhatopenstackMatch9
OR
redhatopenstackMatch10
OR
redhatopenstackMatch11
Node
redhatvirtualizationMatch4.0
AND
redhatenterprise_linuxMatch7.0
CPENameOperatorVersion
qemu:qemuqemule2.7.1

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1.9 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.9%

JSON
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