Certain BSD-derived kernels contain a flaw that may allow a local denial of service. The issue is triggered when a malicious user sends signals to arbitrary processes via certain ioctl and fcntl system calls to interrupt or kill processes, resulting in loss of availability for the service or platform.
Classification
Location:
Local Access Required
Attack Type:
Denial of Service,
Input Manipulation,
Misconfiguration
Impact:
Loss of Integrity,
Loss of Availability
Solution
Upgrade to OpenBSD version 2.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
For all others, there are no known upgrades, patches, or workarounds available to correct this issue.
