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authorKees Cook <keescook@chromium.org>2011-12-21 12:17:04 -0800
committerJames Morris <jmorris@namei.org>2012-02-10 09:18:52 +1100
commit2d514487faf188938a4ee4fb3464eeecfbdcf8eb (patch)
tree42147f0459ab062375f63891943242e3b95797bb /security/yama/Kconfig
parent1a2a4d06e1e95260c470ebe3a945f61bbe8c1fd8 (diff)
downloadlwn-2d514487faf188938a4ee4fb3464eeecfbdcf8eb.tar.gz
lwn-2d514487faf188938a4ee4fb3464eeecfbdcf8eb.zip
security: Yama LSM
This adds the Yama Linux Security Module to collect DAC security improvements (specifically just ptrace restrictions for now) that have existed in various forms over the years and have been carried outside the mainline kernel by other Linux distributions like Openwall and grsecurity. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
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diff --git a/security/yama/Kconfig b/security/yama/Kconfig
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+config SECURITY_YAMA
+ bool "Yama support"
+ depends on SECURITY
+ select SECURITYFS
+ select SECURITY_PATH
+ default n
+ help
+ This selects Yama, which extends DAC support with additional
+ system-wide security settings beyond regular Linux discretionary
+ access controls. Currently available is ptrace scope restriction.
+ Further information can be found in Documentation/security/Yama.txt.
+
+ If you are unsure how to answer this question, answer N.