Linux kernel bug fix: comedi: check device's attached status in compat ioctls
Subsystem: drivers (drivers/comedi/comedi_fops.c)
Bug type: null-deref, severity: high
Keywords: null pointer
Files changed: drivers/comedi/comedi_fops.c
Introduced by Al Viro on 2020-05-28 20:29:17 -0400; fixed by Nikita Zhandarovich on 2025-11-26 13:57:29 +0100 (lifetime: 2007 days)