diff options
| author | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-13 06:48:21 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-13 06:48:21 +0900 |
| commit | 2870f5352451a99a364a807803e4c39477264c3c (patch) | |
| tree | 11ee9795559bdc9645a0a17815611c624066c515 /security/commoncap.c | |
| parent | 06c77b3ce1b81163d74d9d5e904de731934e8510 (diff) | |
| parent | 5fdbdd1d4b9ec58e51092e24c231a303b38cdb94 (diff) | |
Merge branch 'next/cleanup-samsung-macro' into next/cleanup-samsung
Diffstat (limited to 'security/commoncap.c')
| -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 0cf4b53480a7..71a166a05975 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -29,6 +29,7 @@ #include <linux/securebits.h> #include <linux/user_namespace.h> #include <linux/binfmts.h> +#include <linux/personality.h> /* * If a non-root user executes a setuid-root binary in @@ -505,6 +506,11 @@ 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 */ |