CVE-2016-2549

    Dashboard / Vulnerabilities / CVE-2016-2549

    CVE-2016-2549

    Published: 27 Apr 2016Last Modified: 15 Mar 2026

    Summary:

    Details: sound/core/hrtimer.c in the Linux kernel before 4.4.1 does not prevent recursive callback access, which allows local users to cause a denial of service (deadlock) via a crafted ioctl call.

    References: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html, http://www.securityfocus.com/bid/83382, http://www.openwall.com/lists/oss-security/2016/01/19/1, http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1, http://www.debian.org/security/2016/dsa-3503, http://www.ubuntu.com/usn/USN-2929-1, http://www.ubuntu.com/usn/USN-2930-2, http://www.ubuntu.com/usn/USN-2930-3, http://www.ubuntu.com/usn/USN-2967-2, http://www.ubuntu.com/usn/USN-2932-1, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ba1fe7a06d3624f9a7586d672b55f08f7c670f3, http://www.ubuntu.com/usn/USN-2967-1, http://www.ubuntu.com/usn/USN-2929-2, http://www.ubuntu.com/usn/USN-2930-1, http://www.ubuntu.com/usn/USN-2931-1, https://bugzilla.redhat.com/show_bug.cgi?id=1311570, https://github.com/torvalds/linux/commit/2ba1fe7a06d3624f9a7586d672b55f08f7c670f3

    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-2016-2549 | CVE-DB