ACK: [SRU][M][PATCH 0/1] CVE-2023-52880

[Magali Lemes]

Acked-by: Magali Lemes <magali.lemes at canonical.com>

On 05/06/2024 15:54, Bethany Jamison wrote:
> [Impact]
>
> tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
>
> Any unprivileged user can attach N_GSM0710 ldisc, but it requires
> CAP_NET_ADMIN to create a GSM network anyway.
>
> Require initial namespace CAP_NET_ADMIN to do that.
>
> [Fix]
>
> Noble: 	fixed via stable
> Jammy:	fixed via stable
> Mantic:	Clean cherry-pick
> Focal:	not-affected
> Bionic:	not-affected
> Xenial:	not-affected
> Trusty:	not-affected
>
> [Test Case]
>
> Compile and boot tested.
>
> [Where problems could occur]
>
> This fix affects those who use the GSM 0710 tty multiplexor
> driver, an issue with this fix would be visible to the user
> via unexpected behavior.
>
> Thadeu Lima de Souza Cascardo (1):
>    tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
>
>   drivers/tty/n_gsm.c | 3 +++
>   1 file changed, 3 insertions(+)
>