OpenBSD is exposed to a remote denial of service issue. This issue occurs in the "getsockopt(2)" function with any of the IP_AUTH_LEVEL, IP_ESP_TRANS_LEVEL, IP_ESP_NETWORK_LEVEL and IP_IPCOMP_LEVEL options. Successsfully exploiting this issue may crash the kernel. OpenBSD version 4.6 and earlier are affected by this issue.
Ref:
http://marc.info/?l=openbsd-cvs&m=125676466108709&w=2
09.45.9 - CVE: Not Available
Platform: BSD