Linux Kernel snd_seq_ioctl_remove_events Function Denial of Service Vulnerability

Linux Kernel snd_seq_ioctl_remove_events Function Denial of Service Vulnerability

CVE-2016-2543 · MEDIUM Severity

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

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.

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