diff options
Diffstat (limited to 'kernel/auditsc.c')
| -rw-r--r-- | kernel/auditsc.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 9d6dd7d869c0..bd084a13c719 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2173,9 +2173,18 @@ static atomic_t session_id = ATOMIC_INIT(0); int audit_set_loginuid(uid_t loginuid) { struct task_struct *task = current; - unsigned int sessionid = atomic_inc_return(&session_id); struct audit_context *context = task->audit_context; + unsigned int sessionid; + +#ifdef CONFIG_AUDIT_LOGINUID_IMMUTABLE + if (task->loginuid != -1) + return -EPERM; +#else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */ + if (!capable(CAP_AUDIT_CONTROL)) + return -EPERM; +#endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */ + sessionid = atomic_inc_return(&session_id); if (context && context->in_syscall) { struct audit_buffer *ab; |