From 77f076712949c13b9bcecc02d043cbd6de6e291e 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 90b435fe..d1acd9f2 100644 --- a/common/flatpak-run.c +++ b/common/flatpak-run.c @@ -2147,7 +2147,7 @@ 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 -- 2.21.0