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(parent: 069abcd) | patch
Lock down kprobes
authorDavid Howells <dhowells@redhat.com>
Wed, 8 Nov 2017 16:14:12 +0000 (16:14 +0000)
committerSalvatore Bonaccorso <carnil@debian.org>
Sun, 18 Feb 2018 08:36:49 +0000 (08:36 +0000)
commit3df457b8dd4139a33bbafcb1ad9a7c096969c2be
tree5815cfd25169815d2346b3aa04ff26e8c8d70776tree | snapshot
parent069abcd36a345a2a91c0efd0e729bd013fce65f1commit | diff
Lock down kprobes

Disallow the creation of kprobes when the kernel is locked down by
preventing their registration.  This prevents kprobes from being used to
access kernel memory, either to make modifications or to steal crypto data.

Reported-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Gbp-Pq: Topic features/all/lockdown
Gbp-Pq: Name 0026-Lock-down-kprobes.patch
kernel/kprobes.c diff | blob | history
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