adding the kernel config SECURITY_TIOCSTI_RESTRICT in order to allow the user to restrict unprivileged command injection using TIOCSTI tty ioctls
Signed-off-by: Matt Brown <m...@nmatt.com> --- security/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/security/Kconfig b/security/Kconfig index 3ff1bf9..d757bcb 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -18,6 +18,18 @@ config SECURITY_DMESG_RESTRICT If you are unsure how to answer this question, answer N. +config SECURITY_TIOCSTI_RESTRICT + bool "Restrict unprivileged use of tiocsti command injection" + default n + help + This enforces restrictions on unprivileged users injecting commands + into other processes in the same tty session using the TIOCSTI ioctl + + If this option is not selected, no restrictions will be enforced + unless the tiocsti_restrict sysctl is explicitly set to (1). + + If you are unsure how to answer this question, answer N. + config SECURITY bool "Enable different security models" depends on SYSFS -- 2.10.2