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(parent: 17b860e) | 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>
Sun, 7 Oct 2018 20:57:06 +0000 (21:57 +0100)
commitb5e43fa0afffbfd59344c2950facf8ba757ae5c4
tree7709ba972df8d9068d7d4c59b50446afb19df3edtree | snapshot
parent17b860ef918ab7b06f537a282354cc1760f006b2commit | 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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