In the Linux kernel, the following vulnerability has been resolved: 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.
https://git.kernel.org/stable/c/ada28eb4b9561aab93942f3224a2e41d76fe57fa
https://git.kernel.org/stable/c/7d303dee473ba3529d75b63491e9963342107bed
https://git.kernel.org/stable/c/7a529c9023a197ab3bf09bb95df32a3813f7ba58
https://git.kernel.org/stable/c/67c37756898a5a6b2941a13ae7260c89b54e0d88
https://git.kernel.org/stable/c/2d154a54c58f9c8375bfbea9f7e51ba3bfb2e43a
https://git.kernel.org/stable/c/2b85977977cbd120591b23c2450e90a5806a7167