| From | Matthew Garrett <> | Date | Mon, 29 Jul 2019 14:47:03 -0700 | Subject | Re: [PATCH V36 23/29] bpf: Restrict bpf when kernel lockdown is in confidentiality mode |
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On Thu, Jul 18, 2019 at 12:45 PM Matthew Garrett <matthewgarrett@google.com> wrote: > bpf_read() and bpf_read_str() could potentially be abused to (eg) allow > private keys in kernel memory to be leaked. Disable them if the kernel > has been locked down in confidentiality mode. > > Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> > Signed-off-by: Matthew Garrett <mjg59@google.com> > cc: netdev@vger.kernel.org > cc: Chun-Yi Lee <jlee@suse.com> > cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> > Cc: Daniel Borkmann <daniel@iogearbox.net>
Any further feedback on this?
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