CVE-2014-4654

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the Linux kernel before 3.15.2 does not check authorization for SNDRV_CTL_IOCTL_ELEM_REPLACE commands, which allows local users to remove kernel controls and cause a denial of service (use-after-free and system crash) by leveraging /dev/snd/controlCX access for an ioctl call."}, {"lang": "es", "value": "La funci\u00f3n snd_ctl_elem_add en sound/core/control.c de la implementaci\u00f3n del control ALSA en el kernel de Linux anterior a 3.15.2 no comprueba la autorizaci\u00f3n para los comandos SNDRV_CTL_IOCTL_ELEM_REPLACE, lo que permite a usuarios locales eliminar los controles del kernel y provocar una denegaci\u00f3n de servicio (usar despu\u00e9s de liberar y una ca\u00edda del sistema) al aprovechar el acceso a /dev/snd/controlICS para una llamada ioctl."}], "id": "CVE-2014-4654", "lastModified": "2026-06-17T00:10:24.560", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": 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{"affected_release": [{"advisory": "RHSA-2014:1392", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "kernel-0:2.6.32-504.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2014-10-13T00:00:00Z"}, {"advisory": "RHSA-2014:1971", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-123.13.1.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2014-12-09T00:00:00Z"}, {"advisory": "RHSA-2014:1083", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.10.33-rt32.45.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2014-08-20T00:00:00Z"}], "bugzilla": {"description": "Kernel: ALSA: control: use-after-free in replacing user controls", "id": "1113445", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1113445"}, "csaw": false, "cvss": {"cvss_base_score": "3.8", "cvss_scoring_vector": "AV:L/AC:H/Au:S/C:N/I:N/A:C", "status": "verified"}, "cwe": "CWE-416", "details": ["The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not check authorization for SNDRV_CTL_IOCTL_ELEM_REPLACE commands, which allows local users to remove kernel controls and cause a denial of service (use-after-free and system crash) by leveraging /dev/snd/controlCX access for an ioctl call.", "A use-after-free flaw was found in the way the Linux kernel's Advanced Linux Sound Architecture (ALSA) implementation handled user controls. A local, privileged user could use this flaw to crash the system."], "name": "CVE-2014-4654", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2014-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-4654\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-4654"], "statement": "This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2 may address this issue.", "threat_severity": "Moderate"}

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