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(parent: 25d3839) | 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>
Sun, 27 May 2018 12:05:03 +0000 (13:05 +0100)
commit5e50e713fdd3b269b73b7b5be8e38fc3c70d02bc
tree3deb4d8154f6a4409b3ee857318d99af77c2f9e0tree | snapshot
parent25d3839956fa66c671d961073f635be9e3349aadcommit | 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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