From a9107feeb4b8275b78965b36bf21b92d5724699e Mon Sep 17 00:00:00 2001 From: Ryan Gonzalez Date: Mon, 25 Mar 2019 13:00:15 -0500 Subject: [PATCH] run: Only compare the lowest 32 ioctl arg bits for TIOCSTI Closes #2782. Closes: #2783 Approved by: alexlarsson --- common/flatpak-run.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/common/flatpak-run.c b/common/flatpak-run.c index 42e8bc05c6..b03c215bf2 100644 --- a/common/flatpak-run.c +++ b/common/flatpak-run.c @@ -2475,7 +2475,7 @@ setup_seccomp (FlatpakBwrap *bwrap, {SCMP_SYS (clone), &SCMP_A0 (SCMP_CMP_MASKED_EQ, CLONE_NEWUSER, CLONE_NEWUSER)}, /* Don't allow faking input to the controlling tty (CVE-2017-5226) */ - {SCMP_SYS (ioctl), &SCMP_A1 (SCMP_CMP_EQ, (int) TIOCSTI)}, + {SCMP_SYS (ioctl), &SCMP_A1 (SCMP_CMP_MASKED_EQ, 0xFFFFFFFFu, (int) TIOCSTI)}, }; struct