From d2818e11717872affb9a088cf4a062e3ce13ebcc Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Thu, 16 Feb 2017 19:09:17 +0000 Subject: [PATCH] dccp: Disable auto-loading as mitigation against local exploits Forwarded: not-needed We can mitigate the effect of vulnerabilities in obscure protocols by preventing unprivileged users from loading the modules, so that they are only exploitable on systems where the administrator has chosen to load the protocol. The 'dccp' protocol is not actively maintained or widely used. Therefore disable auto-loading. Signed-off-by: Ben Hutchings Gbp-Pq: Topic debian Gbp-Pq: Name dccp-disable-auto-loading-as-mitigation-against-local-exploits.patch --- net/dccp/ipv4.c | 4 ++-- net/dccp/ipv6.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 524b7e581a0..59a6a15f9b9 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -1093,8 +1093,8 @@ module_exit(dccp_v4_exit); * values directly, Also cover the case where the protocol is not specified, * i.e. net-pf-PF_INET-proto-0-type-SOCK_DCCP */ -MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, 33, 6); -MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, 0, 6); +/* MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, 33, 6); */ +/* MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET, 0, 6); */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arnaldo Carvalho de Melo "); MODULE_DESCRIPTION("DCCP - Datagram Congestion Controlled Protocol"); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 6f5a556f4f6..436917339ea 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1175,8 +1175,8 @@ module_exit(dccp_v6_exit); * values directly, Also cover the case where the protocol is not specified, * i.e. net-pf-PF_INET6-proto-0-type-SOCK_DCCP */ -MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET6, 33, 6); -MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET6, 0, 6); +/* MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET6, 33, 6); */ +/* MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_INET6, 0, 6); */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Arnaldo Carvalho de Melo "); MODULE_DESCRIPTION("DCCPv6 - Datagram Congestion Controlled Protocol"); -- 2.30.2