ACK: [SRU][F][PATCH 0/1] CVE-2021-47501

[Massimiliano Pellizzer]

On Mon, 28 Oct 2024 at 08:56, Koichiro Den <koichiro.den at canonical.com> wrote:
>
> [Impact]
>
> i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
>
> When trying to dump VFs VSI RX/TX descriptors
> using debugfs there was a crash
> due to NULL pointer dereference in i40e_dbg_dump_desc.
> Added a check to i40e_dbg_dump_desc that checks if
> VSI type is correct for dumping RX/TX descriptors.
>
> [Fix]
>
> Noble:  not affected
> Jammy:  fixed via stable
> Focal:  Backport - context adjustments
> Bionic: fix sent to esm ML
> Xenial: fix sent to esm ML
> Trusty: won't fix
>
> [Test Case]
>
> Compile tested only.
>
> [Where problems could occur]
>
> Due to the limited scope and benefits of the patch, a regression is unlikely.
> Also, any future backport is highly unlikely to introduce code discrepancy
> since VSI types that require netdev and rings had been unchanged since
> v3.12 up to the backported upstream fix commit.
>
>
> Norbert Zulinski (1):
>   i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
>
>  drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> --
> 2.43.0
>
>
> --
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team

Acked-by: Massimiliano Pellizzer <massimiliano.pellizzer at canonical.com>

-- 
Massimiliano Pellizzer