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(parent: 49b74ac) | 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>
Sat, 22 Dec 2018 08:06:45 +0000 (08:06 +0000)
commit609edc5782ec1b51daf556854d5bbffda8addde0
tree95deb529618da56e00f8226cc826ebbc53dc1405tree | snapshot
parent49b74ac307c1bf3c775b373d5979f849945a7d58commit | 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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