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    CVE-2016-2547

    sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.

    Published:Jan 19, 2016
    Last Modified:Apr 12, 2025
    EPS:Apr 27, 2016
    EPSS Score:0.00067
    CVSS Score:5.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
    http://www.debian.org/security/2016/dsa-3503
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
    http://www.openwall.com/lists/oss-security/2016/01/19/1
    http://www.securityfocus.com/bid/83378
    http://www.securitytracker.com/id/1035298
    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-2931-1
    http://www.ubuntu.com/usn/USN-2932-1
    http://www.ubuntu.com/usn/USN-2967-1
    http://www.ubuntu.com/usn/USN-2967-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1311566
    https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
    http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
    http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
    http://www.debian.org/security/2016/dsa-3503
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
    http://www.openwall.com/lists/oss-security/2016/01/19/1
    http://www.securityfocus.com/bid/83378
    http://www.securitytracker.com/id/1035298
    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-2931-1
    http://www.ubuntu.com/usn/USN-2932-1
    http://www.ubuntu.com/usn/USN-2967-1
    http://www.ubuntu.com/usn/USN-2967-2
    https://bugzilla.redhat.com/show_bug.cgi?id=1311566
    https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d

    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