NACK/Cmt: [SRU][J][PATCH v2 0/1] CVE-2023-52593

Thibault Ferrante thibault.ferrante at canonical.com
Wed Aug 6 20:57:17 UTC 2025


On 06/08/2025 19:01, alice.munduruca at canonical.com wrote:
> From: "Alice C. Munduruca" <alice.munduruca at canonical.com>
> 
> [ Impact ]
> 
> No check is made in `wfx_set_mfp_ap` in case the function
> `ieee80211_beacon_get` returns a null pointer in case of error.
> As a result, we add a check to ensure a null pointer dereference
> does not occur.
> 
> [ Fix ]
> 
> Jammy: Backported from torvalds/linux --
>         `wfx_hif_set_mfp` was changed to the applicable
>         `hif_set_mfp` given the lack of namespacing prior
>         to commit fcd6c0f9a12369ae6d500d747e668ed98ef5edd6.
There is an upstream fix commit targeting this one that I would expect to be included:
6d30bb88f623 wifi: wfx: repair open network AP mode> 
> [ Test Plan ]
> 
> Compile and boot tested, since no hardware is available.
> 
> [ Where problems could occur ]
> 
> It's possible that the additional checks (although marked with the
> unlikely macro) could result in performance degradations should the
> function be called sufficiently often.

It's generally nice to include the diff between different version submission
to make reviewing easier. Such as:
v2 -> add backport note to the commit message> 
> Dmitry Antipov (1):
>    wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()
> 
>   drivers/staging/wfx/sta.c | 43 +++++++++++++++++++++++----------------
>   1 file changed, 25 insertions(+), 18 deletions(-)
> 




More information about the kernel-team mailing list