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| author | Micah Morton <mortonm@chromium.org> | 2019-01-23 01:42:09 +0300 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2019-01-25 22:22:43 +0300 |
| commit | 40852275a94afb3e836be9248399e036982d1a79 (patch) | |
| tree | 97db7b5d7dfae0ecd678b57bc861e60e949afe44 /Documentation/admin-guide/LSM | |
| parent | 4b42564181d683d767b495d7041b1f229468042f (diff) | |
| download | linux-40852275a94afb3e836be9248399e036982d1a79.tar.xz | |
LSM: add SafeSetID module that gates setid calls
This change ensures that the set*uid family of syscalls in kernel/sys.c
(setreuid, setuid, setresuid, setfsuid) all call ns_capable_common with
the CAP_OPT_INSETID flag, so capability checks in the security_capable
hook can know whether they are being called from within a set*uid
syscall. This change is a no-op by itself, but is needed for the
proposed SafeSetID LSM.
Signed-off-by: Micah Morton <mortonm@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'Documentation/admin-guide/LSM')
0 files changed, 0 insertions, 0 deletions