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.
git.kernel.org/linus/67c37756898a5a6b2941a13ae7260c89b54e0d88
git.kernel.org/stable/c/2b85977977cbd120591b23c2450e90a5806a7167
git.kernel.org/stable/c/2d154a54c58f9c8375bfbea9f7e51ba3bfb2e43a
git.kernel.org/stable/c/67c37756898a5a6b2941a13ae7260c89b54e0d88
git.kernel.org/stable/c/7a529c9023a197ab3bf09bb95df32a3813f7ba58
git.kernel.org/stable/c/7d303dee473ba3529d75b63491e9963342107bed
git.kernel.org/stable/c/ada28eb4b9561aab93942f3224a2e41d76fe57fa
ubuntu.com/security/CVE-2023-52880
ubuntu.com/security/notices/USN-6895-1
ubuntu.com/security/notices/USN-6895-2
ubuntu.com/security/notices/USN-6895-3
ubuntu.com/security/notices/USN-6896-1
ubuntu.com/security/notices/USN-6896-2
ubuntu.com/security/notices/USN-6896-3
ubuntu.com/security/notices/USN-6896-4
ubuntu.com/security/notices/USN-6896-5
ubuntu.com/security/notices/USN-6898-1
ubuntu.com/security/notices/USN-6898-2
ubuntu.com/security/notices/USN-6898-3
ubuntu.com/security/notices/USN-6898-4
ubuntu.com/security/notices/USN-6900-1
ubuntu.com/security/notices/USN-6917-1
ubuntu.com/security/notices/USN-6919-1
ubuntu.com/security/notices/USN-6927-1
www.cve.org/CVERecord?id=CVE-2023-52880