This is a security bug.
The follow-up will fix nsproxy to discourage this type of issue from
happening again.
Cc: sta...@vger.kernel.org
Signed-off-by: Andy Lutomirski <l...@amacapital.net>
---
net/core/scm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/scm.c b/net/core/scm.c
index 03795d0..b4da80b 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) ||
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
