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cve[email protected]CVE-2016-2391
HistoryJun 16, 2016 - 6:59 p.m.

CVE-2016-2391

2016-06-1618:59:03
CWE-476
web.nvd.nist.gov
56
cve-2016-2391
qemu
usb
ohci
emulation
denial of service
nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.9%

The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.

Affected configurations

NVD
Node
qemuqemuRange2.5.1.1
Node
canonicalubuntu_linuxMatch12.04esm
OR
canonicalubuntu_linuxMatch14.04esm
OR
canonicalubuntu_linuxMatch15.10
OR
canonicalubuntu_linuxMatch16.04lts
Node
debiandebian_linuxMatch8.0
CPENameOperatorVersion
qemu:qemuqemule2.5.1.1

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.9%