[PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config
Matt Brown
matt at nmatt.com
Mon Apr 17 06:07:03 UTC 2017
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 <matt at 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
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