CVE-2023-52880 tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
Unprivileged users could attach a specific line discipline, potentially leading to privilege escalation; kernel maintainers should apply the patch.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-52880?
CVE-2023-52880 is a high-severity vulnerability in Debian Debian Linux, published on 24 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2023-52880?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52880?
Apply the vendor's patch.
Is CVE-2023-52880 being exploited?
There is no known exploitation of CVE-2023-52880 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2023-52880, DEBIAN-CVE-2023-52880, UBUNTU-CVE-2023-52880.