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(parent: 22abcad) | patch
Lock down kprobes
authorDavid Howells <dhowells@redhat.com>
Wed, 8 Nov 2017 16:14:12 +0000 (16:14 +0000)
committerBastian Blank <waldi@debian.org>
Fri, 22 Jun 2018 09:50:22 +0000 (10:50 +0100)
commit5233a3b68d4c1fdafc351c5bb012f9d28414c544
tree141e73d20991ec55a00fae7545f8d3923e240064tree | snapshot
parent22abcad451fba8722710f4c0bc78aa9076dd3adbcommit | 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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