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Date:   Mon, 30 Oct 2023 18:25:38 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     "Saleem, Shiraz" <shiraz.saleem@intel.com>
Cc:     "stable@vger.kernel.org" <stable@vger.kernel.org>,
        "security@kernel.org" <security@kernel.org>,
        "Ismail, Mustafa" <mustafa.ismail@intel.com>
Subject: Re: Security Fix Backport: Intel RDMA driver
Message-ID: <2023103015-footpath-veggie-63fb@gregkh>
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On Mon, Oct 30, 2023 at 04:47:01PM +0000, Saleem, Shiraz wrote:
> Hi,
> 
> There was a security bug fix recently made to the Intel RDMA driver (irdma) that has made to mainline.
> 
> https://github.com/torvalds/linux/commit/bb6d73d9add68ad270888db327514384dfa44958
> subject: RDMA/irdma: Prevent zero-length STAG registration
> commit-id: bb6d73d9add68ad270888db327514384dfa44958
> 
> This problem in theory is possible in i40iw as well. i40iw is replaced with irdma upstream since 5.14.
> 
> However, i40iw is still part of LTS 4.14.x, 4.19.x, 5.4.x, and 5.10. Since it is a security fix, I am thinking its reasonable we backport it to i40iw too for these kernels. The patch would need some adjustments and I can do this if required.

If you feel it is needed, yes, please do the needed backport and submit
it here.

thanks,

greg k-h