CVE-2006-5550

The kernel in FreeBSD 6.1 and OpenBSD 4.0 allows local users to cause a denial of service via unspecified vectors involving certain ioctl requests to /dev/crypto...

CVE-2025-30334

In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg4 could result in kernel crash...

OpenBSD 3.3/3.4 - semctl/semop Local Unexpected Array Indexing

// source: https://www.securityfocus.com/bid/9086/info A local OpenBSD kernel vulnerability has been discovered when handling the semctl and semop system calls. The problem specifically occurs due to improper sanity checking before handling a user-supplied semaphore set. It is said that this coul...

OpenBSD bug

Hi I recently found a vulnerability in OpenBSD kernel that allows any user capable of executing a process to deliver SIGURG and SIGIO signals to any process or group of process owned by any user in the system. Although the default behaviour in OpenBSD is to ignore these signals, this issue could ...