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| author | Takashi Iwai <tiwai@suse.de> | 2012-05-21 12:45:18 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-05-21 12:45:18 +0200 |
| commit | 775b2449bdba7c97dda9f274c92bf7a83dac4142 (patch) | |
| tree | b4bee45c13762ea93642b1e38c62de454e51cf5d /security/commoncap.c | |
| parent | 21363cf0ca5c9c62e34e37422fb1d13d70d3de3c (diff) | |
| parent | 5fb86e5d4a951ddb0474cdfd809380c8e2a8d101 (diff) | |
| download | olio-linux-3.10-775b2449bdba7c97dda9f274c92bf7a83dac4142.tar.xz olio-linux-3.10-775b2449bdba7c97dda9f274c92bf7a83dac4142.zip | |
Merge branch 'topic/asoc' into for-linus
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 0cf4b53480a..71a166a0597 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 */ |