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| author | Anton Arapov <anton@redhat.com> | 2012-05-09 08:48:00 +0200 |
|---|---|---|
| committer | Anton Arapov <anton@redhat.com> | 2012-05-09 08:48:00 +0200 |
| commit | c0e33d8195b424eb29432998c565d09398933d32 (patch) | |
| tree | 0bca45b5a68691709a11fea3ad78fd6a6cb98c02 /security | |
| parent | b4b6116a13633898cf868f2f103c96a90c4c20f8 (diff) | |
| download | kernel-uprobes-c0e33d8195b424eb29432998c565d09398933d32.tar.gz kernel-uprobes-c0e33d8195b424eb29432998c565d09398933d32.tar.xz kernel-uprobes-c0e33d8195b424eb29432998c565d09398933d32.zip | |
fedora kernel: 5963c7872d2bee76ac20ba1ccd2ffbbfe9eb5f8bv3.3.5-2
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/commoncap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index 7ce191ea29a..b8d2bb9d3c9 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -28,6 +28,7 @@ #include <linux/prctl.h> #include <linux/securebits.h> #include <linux/user_namespace.h> +#include <linux/personality.h> /* * If a non-root user executes a setuid-root binary in @@ -504,6 +505,11 @@ int cap_bprm_set_creds(struct linux_binprm *bprm) } skip: + /* if we have fs caps, clear dangerous personality flags */ + if (!cap_issubset(new->cap_permitted, old->cap_permitted)) + bprm->per_clear |= PER_CLEAR_ON_SETID; + + /* Don't let someone trace a set[ug]id/setpcap binary with the revised * credentials unless they have the appropriate permit */ |