CVE-2014-4652

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    CVE-2014-4652

    Published: 3 Jul 2014Last Modified: 10 Apr 2026

    Summary:

    Details: Race condition in the tlv handler functionality in the snd_ctl_elem_user_tlv function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allows local users to obtain sensitive information from kernel memory by leveraging /dev/snd/controlCX access.

    References: http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html, http://rhn.redhat.com/errata/RHSA-2014-1083.html, http://rhn.redhat.com/errata/RHSA-2015-1272.html, http://secunia.com/advisories/59434, http://secunia.com/advisories/59777, http://secunia.com/advisories/60545, http://secunia.com/advisories/60564, http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2, http://www.openwall.com/lists/oss-security/2014/06/26/6, http://www.ubuntu.com/usn/USN-2334-1, http://www.ubuntu.com/usn/USN-2335-1, https://bugzilla.redhat.com/show_bug.cgi?id=1113406, https://exchange.xforce.ibmcloud.com/vulnerabilities/94412, https://github.com/torvalds/linux/commit/07f4d9d74a04aa7c72c5dae0ef97565f28f17b92, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html, http://www.openwall.com/lists/oss-security/2014/06/26/6, https://github.com/torvalds/linux/commit/07f4d9d74a04aa7c72c5dae0ef97565f28f17b92, https://bugzilla.redhat.com/show_bug.cgi?id=1113406, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=07f4d9d74a04aa7c72c5dae0ef97565f28f17b92

    Affected packages

    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