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-rw-r--r--security/selinux/Kconfig37
1 files changed, 37 insertions, 0 deletions
diff --git a/security/selinux/Kconfig b/security/selinux/Kconfig
index 814ddc42f1f4..5c64c746b062 100644
--- a/security/selinux/Kconfig
+++ b/security/selinux/Kconfig
@@ -124,3 +124,40 @@ config SECURITY_SELINUX_ENABLE_SECMARK_DEFAULT
If you are unsure what do do here, select N.
+config SECURITY_SELINUX_POLICYDB_VERSION_MAX
+ bool "NSA SELinux maximum supported policy format version"
+ depends on SECURITY_SELINUX
+ default n
+ help
+ This option enables the maximum policy format version supported
+ by SELinux to be set to a particular value. This value is reported
+ to userspace via /selinux/policyvers and used at policy load time.
+ It can be adjusted downward to support legacy userland (init) that
+ does not correctly handle kernels that support newer policy versions.
+
+ Examples:
+ For the Fedora Core 3 or 4 Linux distributions, enable this option
+ and set the value via the next option. For Fedore Core 5 and later,
+ do not enable this option.
+
+ If you are unsure how to answer this question, answer N.
+
+config SECURITY_SELINUX_POLICYDB_VERSION_MAX_VALUE
+ int "NSA SELinux maximum supported policy format version value"
+ depends on SECURITY_SELINUX_POLICYDB_VERSION_MAX
+ range 15 20
+ default 19
+ help
+ This option sets the value for the maximum policy format version
+ supported by SELinux.
+
+ Examples:
+ For Fedora Core 3, use 18.
+ For Fedora Core 4, use 19.
+
+ If you are unsure how to answer this question, look for the
+ policy format version supported by your policy toolchain, by
+ running 'checkpolicy -V'. Or look at what policy you have
+ installed under /etc/selinux/$SELINUXTYPE/policy, where
+ SELINUXTYPE is defined in your /etc/selinux/config.
+