# ALSA: usbusx2y: validate URB actual_length in interrupt callback

CVE record · `CVE-2026-97929`

- **Identifiers:** `CVE-2026-97929`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:22 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c3576cb77b527f223cf2b9fc2b2e9af5e7adee25` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c156584999bf15118f523ef6c6fedc5b21f46bd9` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2770321b358658e0a39fe39ccf6a91ee97a81931` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8f5ef203abda9dd36b2af473c7b737d544f807bd` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 10th percentile, on 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97929](https://www.cve.org/CVERecord?id=CVE-2026-97929)
- [NVD: CVE-2026-97929](https://nvd.nist.gov/vuln/detail/CVE-2026-97929)

### References from the CNA

- <https://git.kernel.org/stable/c/c3576cb77b527f223cf2b9fc2b2e9af5e7adee25>
- <https://git.kernel.org/stable/c/c156584999bf15118f523ef6c6fedc5b21f46bd9>
- <https://git.kernel.org/stable/c/b0c30fe6c0d5902bd8a7d1d5720bead5bbe46f7d>
- <https://git.kernel.org/stable/c/2770321b358658e0a39fe39ccf6a91ee97a81931>
- <https://git.kernel.org/stable/c/8f5ef203abda9dd36b2af473c7b737d544f807bd>

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-2026-97929>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97929/>. Everything for agents: <https://agentprime.io/llms.txt>.