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

[Thibault Ferrante]

On 05-06-2024 20:54, 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(+)
> 


Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>

--
Thibault