CVE-2016-0723

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    CVE-2016-0723

    Published: 8 Feb 2016Last Modified: 15 Mar 2026

    Summary:

    Details: 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.

    References: http://www.securitytracker.com/id/1035695, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html, http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html, http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html, http://www.securityfocus.com/bid/82950, http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.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/2016-08/msg00038.html, https://security-tracker.debian.org/tracker/CVE-2016-0723, https://support.f5.com/csp/article/K43650115, http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html, http://source.android.com/security/bulletin/2016-07-01.html, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439, http://www.ubuntu.com/usn/USN-2930-2, http://www.ubuntu.com/usn/USN-2948-2, http://www.debian.org/security/2016/dsa-3448, http://www.debian.org/security/2016/dsa-3503, http://www.ubuntu.com/usn/USN-2929-1, http://www.ubuntu.com/usn/USN-2929-2, http://www.ubuntu.com/usn/USN-2967-1, 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-2967-2, http://www.ubuntu.com/usn/USN-2930-1, https://bugzilla.redhat.com/show_bug.cgi?id=1296253, https://github.com/torvalds/linux/commit/5c17c861a357e9458001f021a7afa7aab9937439

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2016-0723 | CVE-DB