Use-after-free vulnerability in ALSA control implementation in Linux kernel before 3.15.2

CVE-2014-4653 · MEDIUM Severity

AV:L/AC:L/AU:N/C:P/I:P/A:P

sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not ensure possession of a read/write lock, which allows local users to cause a denial of service (use-after-free) and obtain sensitive information from kernel memory by leveraging /dev/snd/controlCX access.

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