Re: [PATCH 2/3] selinux: implement the security_uring_cmd() LSM hook

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On Tue, Aug 23, 2022 at 2:52 AM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Aug 22, 2022 at 05:21:13PM -0400, Paul Moore wrote:
> > Add a SELinux access control for the iouring IORING_OP_URING_CMD
> > command.  This includes the addition of a new permission in the
> > existing "io_uring" object class: "cmd".  The subject of the new
> > permission check is the domain of the process requesting access, the
> > object is the open file which points to the device/file that is the
> > target of the IORING_OP_URING_CMD operation.  A sample policy rule
> > is shown below:
> >
> >   allow <domain> <file>:io_uring { cmd };
> >
> > Cc: stable@xxxxxxxxxxxxxxx
>
> This is not stable material as you are adding a new feature.  Please
> read the stable documentation for what is and is not allowed.

Strongly disagree, see my comments on patch 1/3 in this patchset.

-- 
paul-moore.com



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