30 lines
904 B
Diff
30 lines
904 B
Diff
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From 77f076712949c13b9bcecc02d043cbd6de6e291e Mon Sep 17 00:00:00 2001
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From: Ryan Gonzalez <rymg19@gmail.com>
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Date: Mon, 25 Mar 2019 13:00:15 -0500
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Subject: [PATCH] run: Only compare the lowest 32 ioctl arg bits for TIOCSTI
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Closes #2782.
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Closes: #2783
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Approved by: alexlarsson
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---
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common/flatpak-run.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/common/flatpak-run.c b/common/flatpak-run.c
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index 90b435fe..d1acd9f2 100644
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--- a/common/flatpak-run.c
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+++ b/common/flatpak-run.c
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@@ -2147,7 +2147,7 @@ setup_seccomp (FlatpakBwrap *bwrap,
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{SCMP_SYS (clone), &SCMP_A0 (SCMP_CMP_MASKED_EQ, CLONE_NEWUSER, CLONE_NEWUSER)},
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/* Don't allow faking input to the controlling tty (CVE-2017-5226) */
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- {SCMP_SYS (ioctl), &SCMP_A1 (SCMP_CMP_EQ, (int) TIOCSTI)},
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+ {SCMP_SYS (ioctl), &SCMP_A1 (SCMP_CMP_MASKED_EQ, 0xFFFFFFFFu, (int) TIOCSTI)},
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};
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struct
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--
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2.21.0
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