[PATCH 2/3] af_802154: Disable auto-loading as mitigation against local exploits
authorBen Hutchings <ben@decadent.org.uk>
Fri, 19 Nov 2010 02:12:48 +0000 (02:12 +0000)
committerSalvatore Bonaccorso <carnil@debian.org>
Wed, 9 Feb 2022 08:35:55 +0000 (08:35 +0000)
commit53c5a8da9aad4ae20490e71799f1be6df3938456
treee0b5ed7d39d067559c693822b046ec2cd266609a
parentc7a9e6930d8c7bed39e8dc6c36db40b316a1374b
[PATCH 2/3] af_802154: Disable auto-loading as mitigation against local exploits

Forwarded: not-needed

Recent review has revealed several bugs in obscure protocol
implementations that can be exploited by local users for denial of
service or privilege escalation.  We can mitigate the effect of any
remaining vulnerabilities in such 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 'af_802154' (IEEE 802.15.4) protocol is not widely used, was
not present in the 'lenny' kernel, and seems to receive only sporadic
maintenance.  Therefore disable auto-loading.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Gbp-Pq: Topic debian
Gbp-Pq: Name af_802154-Disable-auto-loading-as-mitigation-against.patch
net/ieee802154/socket.c