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(parent: eaa8ab7) | 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>
Fri, 23 Nov 2018 19:15:55 +0000 (19:15 +0000)
commit8c4fc8cc48d224ed39777ff74457fa2176f2d33b
treeec69cdff924706a22868fe9cb36906dbfd221269tree | snapshot
parenteaa8ab7760e74d4bc12132c5b79ada53c3782011commit | 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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