CVE-2026-58083

While the kernel was copying knotes during fork, a knote with a timer-based filter could fire and be enqueued on the kqueue's active list before the copy was complete. The copy routine did not account for this and could enqueue the new knote a second time, corrupting the active list. In addition,...

CVE-2026-58083 Use-after-free in kqueue copy-on-fork

While the kernel was copying knotes during fork, a knote with a timer-based filter could fire and be enqueued on the kqueue's active list before the copy was complete. The copy routine did not account for this and could enqueue the new knote a second time, corrupting the active list. In addition,...

PT-2026-78316

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A use-after-free issue exists in the kernel during the copying of knotes during a fork operation. A knote with a timer-based filter may fire and be enqueued on t...

FreeBSD Kernel (FreeBSD 10.2 < 10.3 x64) - SETFKEY (PoC) Exploit

Exploit for freebsd platform in category dos / poc / Code written based on info available here http://cturt.github.io/dlclose-overflow.html See attached LICENCE file Thanks to CTurt and qwertyoruiop - @kr105rlz Download:...