Explain CVE-2016-0723
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.
Affected Products: n/a
References: [{'tags': ['x_refsource_CONFIRM'], 'url': 'https://security-tracker.debian.org/tracker/CVE-2016-0723'}, {'name': 'USN-2930-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2930-1'}, {'name': 'USN-2967-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2967-1'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1296253'}, {'name': 'USN-2930-2', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2930-2'}, {'name': 'DSA-3503', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2016/dsa-3503'}, {'name': 'USN-2967-2', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2967-2'}, {'name': 'SUSE-SU-2016:1764', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439'}, {'name': 'USN-2930-3', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2930-3'}, {'name': 'SUSE-SU-2016:1102', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://source.android.com/security/bulletin/2016-07-01.html'}, {'name': 'USN-2929-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2929-1'}, {'name': 'USN-2932-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2932-1'}, {'name': '82950', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/82950'}, {'name': 'FEDORA-2016-5d43766e33', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html'}, {'name': 'SUSE-SU-2016:2074', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html'}, {'name': '1035695', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id/1035695'}, {'name': 'USN-2948-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2948-1'}, {'name': 'DSA-3448', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2016/dsa-3448'}, {'name': 'openSUSE-SU-2016:1008', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html'}, {'name': 'USN-2929-2', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2929-2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439'}, {'name': 'USN-2948-2', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://www.ubuntu.com/usn/USN-2948-2'}, {'name': 'FEDORA-2016-2f25d12c51', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html'}, {'name': 'SUSE-SU-2016:0911', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://support.f5.com/csp/article/K43650115'}]
CVE State: PUBLISHED