Linux kernel bug fix: vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
Subsystem: tty (drivers/tty/vt/vt_ioctl.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free;reference count
Files changed: drivers/tty/vt/vt.c;drivers/tty/vt/vt_ioctl.c
Introduced by Alan Cox on 2012-03-08 11:10:27 -0800; fixed by Eric Biggers on 2020-03-27 12:35:04 +0100 (lifetime: 2941 days)