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    CVE-2016-9794

    Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel before 4.7 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted SNDRV_PCM_TRIGGER_START command.

    Published:Apr 14, 2016
    Last Modified:Apr 12, 2025
    EPS:Dec 28, 2016
    EPSS Score:0.00057
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://www.openwall.com/lists/oss-security/2016/12/03/2
    http://www.securityfocus.com/bid/94654
    https://bugzilla.redhat.com/show_bug.cgi?id=1401494
    https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
    https://patchwork.kernel.org/patch/8752621/
    https://source.android.com/security/bulletin/2017-05-01
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00057.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00062.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00072.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00075.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00081.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00088.html
    http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00091.html
    http://rhn.redhat.com/errata/RHSA-2016-2574.html
    http://www.openwall.com/lists/oss-security/2016/12/03/2
    http://www.securityfocus.com/bid/94654
    https://bugzilla.redhat.com/show_bug.cgi?id=1401494
    https://github.com/torvalds/linux/commit/3aa02cb664c5fb1042958c8d1aa8c35055a2ebc4
    https://patchwork.kernel.org/patch/8752621/
    https://source.android.com/security/bulletin/2017-05-01

    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