CVE-2016-3138

MEDIUM

Description

The acm_probe function in drivers/usb/class/cdc-acm.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both a control and a data endpoint descriptor.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8835ba4a39cf53f705417b3b3a94eb067673f2c9

http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

http://www.debian.org/security/2016/dsa-3607

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1

http://www.openwall.com/lists/oss-security/2016/03/14/4

http://www.ubuntu.com/usn/USN-2968-1

http://www.ubuntu.com/usn/USN-2968-2

http://www.ubuntu.com/usn/USN-2969-1

http://www.ubuntu.com/usn/USN-2970-1

http://www.ubuntu.com/usn/USN-2971-1

http://www.ubuntu.com/usn/USN-2971-2

http://www.ubuntu.com/usn/USN-2971-3

http://www.ubuntu.com/usn/USN-2996-1

http://www.ubuntu.com/usn/USN-2997-1

https://bugzilla.redhat.com/show_bug.cgi?id=1316204

https://github.com/torvalds/linux/commit/8835ba4a39cf53f705417b3b3a94eb067673f2c9

Details

Source: MITRE

Published: 2016-05-02

Updated: 2016-12-01

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 4.6

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 0.9

Severity: MEDIUM