# Re: New skb extension for use by LSMs (skb "security blob")?

- From: Florian Westphal \<fw@strlen.de\>
- Date: 2019-08-22 07:04:01 
- List: netdev
- Page: https://ratatoskr.run/netdev/2019/08/11145608
- Thread: https://ratatoskr.run/netdev/2019/08/11145560/t.md

```text
Paul Moore [ref] wrote:
> Hello netdev,
> 
> I was just made aware of the skb extension work, and it looks very
> appealing from a LSM perspective.  As some of you probably remember,
> we (the LSM folks) have wanted a proper security blob in the skb for
> quite some time, but netdev has been resistant to this idea thus far.

Is that "blob" in addition to skb->secmark, or a replacement?
```