From: Ben Hutchings Date: Sun, 4 Aug 2019 23:29:11 +0000 (+0100) Subject: hamradio: Disable auto-loading as mitigation against local exploits X-Git-Tag: archive/raspbian/5.10.197-1+rpi1^2~85 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=216aec2c142cb43f8057db8ebdd75b2b4748730e;p=linux.git hamradio: 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 'ham' radio protocols (ax25, netrom, rose) are not actively maintained or widely used. Therefore disable auto-loading. Signed-off-by: Ben Hutchings Gbp-Pq: Topic debian Gbp-Pq: Name hamradio-disable-auto-loading-as-mitigation-against-local-exploits.patch --- diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index a1f4cb836fc..674a8459ac9 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -2052,7 +2052,7 @@ module_init(ax25_init); MODULE_AUTHOR("Jonathan Naylor G4KLX "); MODULE_DESCRIPTION("The amateur radio AX.25 link layer protocol"); MODULE_LICENSE("GPL"); -MODULE_ALIAS_NETPROTO(PF_AX25); +/* MODULE_ALIAS_NETPROTO(PF_AX25); */ static void __exit ax25_exit(void) { diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 24747163122..32842aaf285 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -1498,7 +1498,7 @@ MODULE_PARM_DESC(nr_ndevs, "number of NET/ROM devices"); MODULE_AUTHOR("Jonathan Naylor G4KLX "); MODULE_DESCRIPTION("The amateur radio NET/ROM network and transport layer protocol"); MODULE_LICENSE("GPL"); -MODULE_ALIAS_NETPROTO(PF_NETROM); +/* MODULE_ALIAS_NETPROTO(PF_NETROM); */ static void __exit nr_exit(void) { diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 86c93cf1744..7e8b8305e70 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1592,7 +1592,7 @@ MODULE_PARM_DESC(rose_ndevs, "number of ROSE devices"); MODULE_AUTHOR("Jonathan Naylor G4KLX "); MODULE_DESCRIPTION("The amateur radio ROSE network layer protocol"); MODULE_LICENSE("GPL"); -MODULE_ALIAS_NETPROTO(PF_ROSE); +/* MODULE_ALIAS_NETPROTO(PF_ROSE); */ static void __exit rose_exit(void) {