From: Yu Watanabe Date: Wed, 11 Aug 2021 07:20:35 +0000 (+0900) Subject: sd-dhcp-server: fix possible double-free or use-after-free X-Git-Tag: v250-rc1~840^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3dc8fb0eb8dd4b7dd802aa69cfe5b2c8f760f561;p=thirdparty%2Fsystemd.git sd-dhcp-server: fix possible double-free or use-after-free --- diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index fa3d3620b40..8b9cf842a05 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -1105,7 +1105,7 @@ int dhcp_server_handle_message(sd_dhcp_server *server, DHCPMessage *message, siz if (server->bound_leases[pool_offset] == existing_lease) { server->bound_leases[pool_offset] = NULL; - hashmap_remove(server->leases_by_client_id, existing_lease); + hashmap_remove(server->leases_by_client_id, &existing_lease->client_id); dhcp_lease_free(existing_lease); if (server->callback)