Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://source.android.com/security/bulletin/2016-07-01.html
http://www.debian.org/security/2016/dsa-3448
http://www.debian.org/security/2016/dsa-3503
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
http://www.securityfocus.com/bid/82950
http://www.securitytracker.com/id/1035695
http://www.ubuntu.com/usn/USN-2929-1
http://www.ubuntu.com/usn/USN-2929-2
http://www.ubuntu.com/usn/USN-2930-1
http://www.ubuntu.com/usn/USN-2930-2
http://www.ubuntu.com/usn/USN-2930-3
http://www.ubuntu.com/usn/USN-2932-1
http://www.ubuntu.com/usn/USN-2948-1
http://www.ubuntu.com/usn/USN-2948-2
http://www.ubuntu.com/usn/USN-2967-1
http://www.ubuntu.com/usn/USN-2967-2
https://bugzilla.redhat.com/show_bug.cgi?id=1296253
https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439
Source: MITRE
Published: 2016-02-08
Updated: 2016-12-06
Type: CWE-200
Base Score: 5.6
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:C
Impact Score: 7.8
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Impact Score: 4.2
Exploitability Score: 2.5
Severity: MEDIUM