Re: [PATCH v7 6/10] security: Hornet LSM

[Paul Moore <paul@paul-moore.com>]

On May  7, 2026 Blaise Boscaccy <bboscaccy@linux.microsoft.com> wrote:
> 
> This adds the Hornet Linux Security Module which provides enhanced
> signature verification and data validation for eBPF programs. This
> allows users to continue to maintain an invariant that all code
> running inside of the kernel has actually been signed and verified, by
> the kernel.
> 
> This effort builds upon the currently excepted upstream solution. It
> further hardens it by providing deterministic, in-kernel checking of
> map hashes to solidify auditing along with preventing TOCTOU attacks
> against lskel map hashes.
> 
> Target map hashes are passed in via PKCS#7 signed attributes. Hornet
> determines the extent which the eBFP program is signed and defers to
> other LSMs for policy decisions.
> 
> Signed-off-by: Blaise Boscaccy <bboscaccy@linux.microsoft.com>
> Nacked-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
> ---
>  Documentation/admin-guide/LSM/Hornet.rst | 323 +++++++++++++++++++++
>  Documentation/admin-guide/LSM/index.rst  |   1 +
>  MAINTAINERS                              |   9 +
>  include/linux/oid_registry.h             |   3 +
>  include/uapi/linux/lsm.h                 |   1 +
>  security/Kconfig                         |   3 +-
>  security/Makefile                        |   1 +
>  security/hornet/Kconfig                  |  13 +
>  security/hornet/Makefile                 |   7 +
>  security/hornet/hornet.asn1              |  12 +
>  security/hornet/hornet_lsm.c             | 352 +++++++++++++++++++++++
>  11 files changed, 724 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/admin-guide/LSM/Hornet.rst
>  create mode 100644 security/hornet/Kconfig
>  create mode 100644 security/hornet/Makefile
>  create mode 100644 security/hornet/hornet.asn1
>  create mode 100644 security/hornet/hornet_lsm.c

Merged into lsm/dev, thanks.

--
paul-moore.com