From 5eb07e6823e9e68e30f25e4d85466d9b1fccf48d Mon Sep 17 00:00:00 2001 From: Daniel Micay Date: Fri, 6 Feb 2015 11:46:34 -0500 Subject: [PATCH] tighten up mount permissions --- init/init.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/init/init.cpp b/init/init.cpp index 542c35e..c7275b1 100644 --- a/init/init.cpp +++ b/init/init.cpp @@ -1039,9 +1039,9 @@ int main(int argc, char** argv) { mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755"); mkdir("/dev/pts", 0755); mkdir("/dev/socket", 0755); - mount("devpts", "/dev/pts", "devpts", 0, NULL); - mount("proc", "/proc", "proc", 0, NULL); - mount("sysfs", "/sys", "sysfs", 0, NULL); + mount("devpts", "/dev/pts", "devpts", MS_NOSUID|MS_NOEXEC, NULL); + mount("proc", "/proc", "proc", MS_NOSUID|MS_NODEV|MS_NOEXEC, NULL); + mount("sysfs", "/sys", "sysfs", MS_NOSUID|MS_NODEV|MS_NOEXEC, NULL); } // We must have some place other than / to create the device nodes for