| From a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1 Mon Sep 17 00:00:00 2001 |
| From: Colin Wee <cwee@tesla.com> |
| Date: Thu, 28 Jan 2021 19:41:09 +0100 |
| Subject: [PATCH] gdhcp: Avoid leaking stack data via unitiialized variable |
| |
| Fixes: CVE-2021-26676 |
| Signed-off-by: Peter Korsgaard <peter@korsgaard.com> |
| --- |
| gdhcp/client.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/gdhcp/client.c b/gdhcp/client.c |
| index 6a5613e7..c7b85e58 100644 |
| --- a/gdhcp/client.c |
| +++ b/gdhcp/client.c |
| @@ -2270,7 +2270,7 @@ static gboolean listener_event(GIOChannel *channel, GIOCondition condition, |
| { |
| GDHCPClient *dhcp_client = user_data; |
| struct sockaddr_in dst_addr = { 0 }; |
| - struct dhcp_packet packet; |
| + struct dhcp_packet packet = { 0 }; |
| struct dhcpv6_packet *packet6 = NULL; |
| uint8_t *message_type = NULL, *client_id = NULL, *option, |
| *server_id = NULL; |
| -- |
| 2.20.1 |
| |
