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Groups > linux.kernel > #1624552
| From | Matt Brown <matt@nmatt.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config |
| Date | 2017-04-17 08:10 +0200 |
| Message-ID | <tx81k-5DY-31@gated-at.bofh.it> (permalink) |
| References | <tx81j-5DY-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@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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[PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config Matt Brown <matt@nmatt.com> - 2017-04-17 08:10 +0200
Re: [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config Greg KH <gregkh@linuxfoundation.org> - 2017-04-17 09:00 +0200
Re: [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config Matt Brown <matt@nmatt.com> - 2017-04-18 06:40 +0200
Re: [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config Alan Cox <gnomes@lxorguk.ukuu.org.uk> - 2017-04-18 16:30 +0200
Re: [kernel-hardening] Re: [PATCH 1/4] added SECURITY_TIOCSTI_RESTRICT kernel config Kees Cook <keescook@chromium.org> - 2017-04-18 17:50 +0200
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