Unauthenticated Local Denial of Service in 4.4 BSD Kernel's Asynchronous I/O Facility

Unauthenticated Local Denial of Service in 4.4 BSD Kernel's Asynchronous I/O Facility

CVE-1999-1214 · LOW Severity

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

The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls to cause the signal to be sent to an arbitrary process ID.

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