diff options
| author |   David Howells <dhowells@redhat.com> | 2019-08-19 17:17:57 -0700 |
|---|---|---|
| committer |   James Morris <jmorris@namei.org> | 2019-08-19 21:54:16 -0700 |
| commit | 02e935bf5b34edcc4cb0dc532dd0e1a1bfb33b51 (patch) | |
| tree | d1029d3f5dccd6dbba74b1d0b445fa2b5ee4ffb4 /include | |
| parent | x86/mmiotrace: Lock down the testmmiotrace module (diff) | |
| download | linux-dev-02e935bf5b34edcc4cb0dc532dd0e1a1bfb33b51.tar.xz linux-dev-02e935bf5b34edcc4cb0dc532dd0e1a1bfb33b51.zip | |
lockdown: Lock down /proc/kcore
Disallow access to /proc/kcore when the kernel is locked down to prevent
access to cryptographic data. This is limited to lockdown
confidentiality mode and is still permitted in integrity mode.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/security.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h index d8db7ea4c4bf..669e8de5299d 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -116,6 +116,7 @@ enum lockdown_reason { LOCKDOWN_MODULE_PARAMETERS, LOCKDOWN_MMIOTRACE, LOCKDOWN_INTEGRITY_MAX, + LOCKDOWN_KCORE, LOCKDOWN_CONFIDENTIALITY_MAX, }; |