# usb: musb: Fix hardware lockup on first Rx endpoint request

CVE record · `CVE-2024-56687`

- **Identifiers:** `CVE-2024-56687`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-667](https://cwe.mitre.org/data/definitions/667.html)
- **Tags:** [CWE-667](https://agentprime.io/advisories/tag/cwe-667.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 28 Dec 2024
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Dec 2024, 09:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `baebdf48c360080710f80699eea3affbb13d6c65 to before c749500b28cae67410792096133ee7f282439c51` (git)
  - affected: `baebdf48c360080710f80699eea3affbb13d6c65 to before 5906ee3693674d734177df13a519a21bb03f730d` (git)
  - affected: `baebdf48c360080710f80699eea3affbb13d6c65 to before f05ad9755bb294328c3d0f429164ac6d4d08c548` (git)
  - affected: `baebdf48c360080710f80699eea3affbb13d6c65 to before 0c89445e6d475b78d37b64ae520831cd43af7db4` (git)
  - affected: `baebdf48c360080710f80699eea3affbb13d6c65 to before 3fc137386c4620305bbc2a216868c53f9245670a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.18`
  - unaffected: `before 5.18` (semver)
  - unaffected: `6.1.120 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.64 to 6.6.*, inclusive` (semver)
  - unaffected: `6.11.11 to 6.11.*, inclusive` (semver)
  - unaffected: `6.12.2 to 6.12.*, inclusive` (semver)
  - unaffected: `6.13 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 5th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 28 Dec 2024. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2024-56687](https://www.cve.org/CVERecord?id=CVE-2024-56687)
- [NVD: CVE-2024-56687](https://nvd.nist.gov/vuln/detail/CVE-2024-56687)

### References from the CNA

- <https://git.kernel.org/stable/c/c749500b28cae67410792096133ee7f282439c51>
- <https://git.kernel.org/stable/c/5906ee3693674d734177df13a519a21bb03f730d>
- <https://git.kernel.org/stable/c/f05ad9755bb294328c3d0f429164ac6d4d08c548>
- <https://git.kernel.org/stable/c/0c89445e6d475b78d37b64ae520831cd43af7db4>
- <https://git.kernel.org/stable/c/3fc137386c4620305bbc2a216868c53f9245670a>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2024-56687>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2024-56687/>. Everything for agents: <https://agentprime.io/llms.txt>.