diff options
| -rw-r--r-- | security/commoncap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index 0cf4b53480a7..0ecf4ba321cb 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -505,6 +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 */ |