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ubuntucveUbuntu.comUB:CVE-2016-7909
HistoryOct 05, 2016 - 12:00 a.m.

CVE-2016-7909

2016-10-0500:00:00
ubuntu.com
ubuntu.com
14

CVSS2

4.9

Attack Vector

LOCAL

Attack 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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.7%

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator)
allows local guest OS administrators to cause a denial of service (infinite
loop and QEMU process crash) by setting the (1) receive or (2) transmit
descriptor ring length to 0.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.30UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.6UNKNOWN
ubuntu16.10noarchqemu< 1:2.6.1+dfsg-0ubuntu5.1UNKNOWN
ubuntu12.04noarchqemu-kvm< 1.0+noroms-0ubuntu14.31UNKNOWN

CVSS2

4.9

Attack Vector

LOCAL

Attack 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

CVSS3

4.4

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

26.7%