diff options
| author | Andy Lutomirski <[email protected]> | 2013-08-22 18:39:15 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2013-08-27 17:52:52 +0000 |
| commit | d661684cf6820331feae71146c35da83d794467e (patch) | |
| tree | ca8cc23e3d9da33b3ca739f11c1d6e954105aefe /net/core/scm.c | |
| parent | be2net: Check for POST state in suspend-resume sequence (diff) | |
| download | kernel-d661684cf6820331feae71146c35da83d794467e.tar.gz kernel-d661684cf6820331feae71146c35da83d794467e.zip | |
net: Check the correct namespace when spoofing pid over SCM_RIGHTS
This is a security bug.
The follow-up will fix nsproxy to discourage this type of issue from
happening again.
Cc: [email protected]
Signed-off-by: Andy Lutomirski <[email protected]>
Reviewed-by: "Eric W. Biederman" <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/core/scm.c')
| -rw-r--r-- | net/core/scm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index 03795d0147f2..b4da80b1cc07 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -54,7 +54,7 @@ static __inline__ int scm_check_creds(struct ucred *creds) return -EINVAL; if ((creds->pid == task_tgid_vnr(current) || - ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) && + ns_capable(task_active_pid_ns(current)->user_ns, CAP_SYS_ADMIN)) && ((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) || uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) && ((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) || |