The dgnc_mgmt_ioctl function in drivers/staging/dgnc/dgnc_mgmt.c in the Linux kernel through 4.3.3 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory via a crafted application.
http://www.openwall.com/lists/oss-security/2015/10/21/8
http://www.securityfocus.com/bid/77317
http://www.securitytracker.com/id/1034896
http://www.ubuntu.com/usn/USN-2841-1
http://www.ubuntu.com/usn/USN-2841-2
http://www.ubuntu.com/usn/USN-2842-1
http://www.ubuntu.com/usn/USN-2842-2
http://www.ubuntu.com/usn/USN-2843-1
http://www.ubuntu.com/usn/USN-2843-2
http://www.ubuntu.com/usn/USN-2843-3
http://www.ubuntu.com/usn/USN-2844-1
https://bugzilla.redhat.com/show_bug.cgi?id=1274728
https://github.com/torvalds/linux/commit/4b6184336ebb5c8dc1eae7f7ab46ee608a748b05
Source: MITRE
Published: 2015-12-28
Updated: 2016-12-07
Type: CWE-200
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 2.3
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Impact Score: 1.4
Exploitability Score: 0.8
Severity: LOW