diff options
Diffstat (limited to 'kernel/utsname.c')
| -rw-r--r-- | kernel/utsname.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/utsname.c b/kernel/utsname.c index 679d97a5d3fd..4a9362f9325d 100644 --- a/kernel/utsname.c +++ b/kernel/utsname.c @@ -102,8 +102,13 @@ static void utsns_put(void *ns) put_uts_ns(ns); } -static int utsns_install(struct nsproxy *nsproxy, void *ns) +static int utsns_install(struct nsproxy *nsproxy, void *new) { + struct uts_namespace *ns = new; + + if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN)) + return -EPERM; + get_uts_ns(ns); put_uts_ns(nsproxy->uts_ns); nsproxy->uts_ns = ns; |