Linux kernel bug fix: vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
Subsystem: tty (drivers/tty/vt/vc_screen.c)
Bug type: use-after-free, severity: high
Keywords: refcount;use after free;UAF
Files changed: drivers/tty/vt/vc_screen.c
Introduced by Torben Hohn on 2011-01-26 10:50:06 +1000; fixed by George Kennedy on 2023-01-31 15:51:52 +0100 (lifetime: 4388 days)