diff options
Diffstat (limited to 'recipes-kernel/linux/linux-ls1/ppp-CVE-2015-8569.patch')
-rw-r--r-- | recipes-kernel/linux/linux-ls1/ppp-CVE-2015-8569.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-ls1/ppp-CVE-2015-8569.patch b/recipes-kernel/linux/linux-ls1/ppp-CVE-2015-8569.patch new file mode 100644 index 0000000..2593ce6 --- /dev/null +++ b/recipes-kernel/linux/linux-ls1/ppp-CVE-2015-8569.patch | |||
@@ -0,0 +1,46 @@ | |||
1 | From d470ffbe3fe914d176ced4cf330a297c523c5711 Mon Sep 17 00:00:00 2001 | ||
2 | From: WANG Cong <xiyou.wangcong@gmail.com> | ||
3 | Date: Mon, 14 Dec 2015 13:48:36 -0800 | ||
4 | Subject: pptp: verify sockaddr_len in pptp_bind() and pptp_connect() | ||
5 | |||
6 | [ Upstream commit 09ccfd238e5a0e670d8178cf50180ea81ae09ae1 ] | ||
7 | |||
8 | CVE: CVE-2015-8569 | ||
9 | Upstream-Status: Backport | ||
10 | |||
11 | Reported-by: Dmitry Vyukov <dvyukov@gmail.com> | ||
12 | Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> | ||
13 | Signed-off-by: David S. Miller <davem@davemloft.net> | ||
14 | Signed-off-by: Jiri Slaby <jslaby@suse.cz> | ||
15 | Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com> | ||
16 | --- | ||
17 | drivers/net/ppp/pptp.c | 6 ++++++ | ||
18 | 1 file changed, 6 insertions(+) | ||
19 | |||
20 | diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c | ||
21 | index 1dc628f..0710214 100644 | ||
22 | --- a/drivers/net/ppp/pptp.c | ||
23 | +++ b/drivers/net/ppp/pptp.c | ||
24 | @@ -420,6 +420,9 @@ static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr, | ||
25 | struct pptp_opt *opt = &po->proto.pptp; | ||
26 | int error = 0; | ||
27 | |||
28 | + if (sockaddr_len < sizeof(struct sockaddr_pppox)) | ||
29 | + return -EINVAL; | ||
30 | + | ||
31 | lock_sock(sk); | ||
32 | |||
33 | opt->src_addr = sp->sa_addr.pptp; | ||
34 | @@ -441,6 +444,9 @@ static int pptp_connect(struct socket *sock, struct sockaddr *uservaddr, | ||
35 | struct flowi4 fl4; | ||
36 | int error = 0; | ||
37 | |||
38 | + if (sockaddr_len < sizeof(struct sockaddr_pppox)) | ||
39 | + return -EINVAL; | ||
40 | + | ||
41 | if (sp->sa_protocol != PX_PROTO_PPTP) | ||
42 | return -EINVAL; | ||
43 | |||
44 | -- | ||
45 | cgit v0.12 | ||
46 | |||