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(parent: 9559211) | 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>
Fri, 20 Jul 2018 21:08:27 +0000 (22:08 +0100)
commit3d67acf2e46e766c203d3b9461fe4a6e6e84f94d
treec9d5c559875623991470c6b786fe3d78b4248027tree | snapshot
parent9559211a1eb36cb51a918834f9fa675c18d306decommit | 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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