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(parent: f7f35b2) | patch
Lock down kprobes
authorDavid Howells <dhowells@redhat.com>
Wed, 8 Nov 2017 16:14:12 +0000 (16:14 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 19 Apr 2018 10:13:03 +0000 (11:13 +0100)
commit8b8a9fc2cd20604873a701cddb511ef73bcb5798
tree2ca4c1d697d28ea2f971a2dbb3b8441a63dc6401tree | snapshot
parentf7f35b277549689698844b04f42db1837150a5efcommit | 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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