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(parent: 3bd27bc) | 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>
Sun, 16 Dec 2018 18:45:54 +0000 (18:45 +0000)
commite007515be1d760292100ce1f3dbe92a1cc110e80
tree39e9def0ebf73ed34907ed48d4d81d1040b572eftree | snapshot
parent3bd27bc15832a31fff90dc663c752e4c5797f9d2commit | 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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