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authorJosh Boyer <jwboyer@fedoraproject.org>2019-08-19 17:17:46 -0700
committerJames Morris <jmorris@namei.org>2019-08-19 21:54:15 -0700
commit38bd94b8a1bd46e6d3d9718c7ff582e4c8ccb440 (patch)
tree72595e412734b2f3642514c01b06e9202b94ce76 /include/linux/security.h
parentkexec_file: Restrict at runtime if the kernel is locked down (diff)
downloadlinux-dev-38bd94b8a1bd46e6d3d9718c7ff582e4c8ccb440.tar.xz
linux-dev-38bd94b8a1bd46e6d3d9718c7ff582e4c8ccb440.zip
hibernate: Disable when the kernel is locked down
There is currently no way to verify the resume image when returning from hibernate. This might compromise the signed modules trust model, so until we can work with signed hibernate images we disable it when the kernel is locked down. Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Matthew Garrett <mjg59@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: rjw@rjwysocki.net Cc: pavel@ucw.cz cc: linux-pm@vger.kernel.org Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include/linux/security.h')
-rw-r--r--include/linux/security.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index b607a8ac97fe..80ac7fb27aa9 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -106,6 +106,7 @@ enum lockdown_reason {
LOCKDOWN_MODULE_SIGNATURE,
LOCKDOWN_DEV_MEM,
LOCKDOWN_KEXEC,
+ LOCKDOWN_HIBERNATION,
LOCKDOWN_INTEGRITY_MAX,
LOCKDOWN_CONFIDENTIALITY_MAX,
};