CVE-1999-1214

Summary

CVE-1999-1214 is a vulnerability affecting the asynchronous I/O facility in the 4.4 BSD kernel. This issue allows local users to cause a denial of service by manipulating certain ioctl and fcntl calls. The kernel fails to verify user credentials when setting the recipient of I/O notifications, allowing the signal to be sent to an arbitrary process ID. This vulnerability can be exploited to disrupt system services or cause unwanted behavior. Local attackers can take advantage of this flaw to impact system stability and availability.

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