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(parent: ff04be0) | patch
waitid(): Add missing access_ok() checks
authorKees Cook <keescook@chromium.org>
Mon, 9 Oct 2017 18:36:52 +0000 (11:36 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 14 Oct 2017 13:38:17 +0000 (15:38 +0200)
commit3da54587cf4c1be7c26a8ae0b58313828b69638a
tree55a510f807e814ff0515db2676646273a1192102tree | snapshot
parentff04be02de1b371689260ab2e217a93b57ea4364commit | diff
waitid(): Add missing access_ok() checks

commit 96ca579a1ecc943b75beba58bebb0356f6cc4b51 upstream.

Adds missing access_ok() checks.

CVE-2017-5123

Reported-by: Chris Salls <chrissalls5@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 4c48abe91be0 ("waitid(): switch copyout of siginfo to unsafe_put_user()")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kernel/exit.c diff | blob | history
Linux kernels and configurations used by Zygo.