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Fixed

SCP6-456 : Security Advisory - linux - CVE-2014-4654

Created: Jul 16, 2014    Updated: Dec 3, 2018
Resolved Date: Sep 4, 2014
Found In Version: 6.0.0.12
Fix Version: 6.0.0.12
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Userspace

Description

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 href=http://cwe.mitre.org/data/definitions/416.html target=_blank>CWE-416: Use After Free</a>

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-4654

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