diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/hooks.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index c2da45ae5b2a..b8278f3af9da 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -4328,10 +4328,18 @@ static int selinux_socket_bind(struct socket *sock, struct sockaddr *address, in u32 sid, node_perm; if (family == PF_INET) { + if (addrlen < sizeof(struct sockaddr_in)) { + err = -EINVAL; + goto out; + } addr4 = (struct sockaddr_in *)address; snum = ntohs(addr4->sin_port); addrp = (char *)&addr4->sin_addr.s_addr; } else { + if (addrlen < SIN6_LEN_RFC2133) { + err = -EINVAL; + goto out; + } addr6 = (struct sockaddr_in6 *)address; snum = ntohs(addr6->sin6_port); addrp = (char *)&addr6->sin6_addr.s6_addr; |