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(parent: df8ad53) | patch
Lock down kprobes
authorDavid Howells <dhowells@redhat.com>
Mon, 18 Feb 2019 12:45:02 +0000 (12:45 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 21 Aug 2019 12:48:11 +0000 (13:48 +0100)
commit6ee97734f0e52ce67ba513734622a1d305a4d059
tree4d07446290056a1684c83a3bdea6007e4d803d29tree | snapshot
parentdf8ad5318d89b58763840ad511aa93288096cbc3commit | 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 0024-Lock-down-kprobes.patch
kernel/kprobes.c diff | blob | history
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