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(parent: 7abe68e) | 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>
Wed, 15 May 2019 22:07:16 +0000 (23:07 +0100)
commit248308fbeea904692e91404e3a37b0f09d9279f6
treef1503caa2884cf46c1caaad8594ae03cf8f74cf3tree | snapshot
parent7abe68e4b54c1dcfbf733fe37e3c8cdf1468cd1dcommit | 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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