Description
Multiple syscalls in the compat subsystem for NetBSD before 2.0 allow local users to cause a denial of service (kernel crash) via a large signal number to (1) xxx_sys_kill, (2) xxx_sys_sigaction, and possibly other translation functions.
References
- 13501 third-party-advisory
- http://gleg.net/advisory_netbsd2.shtml
- netbsd-compat-gain-privileges(18564) vdb-entry