# USB: c67x00: fix use-after-free in c67x00_add_iso_urb()

CVE record · `CVE-2026-80826`

- **Identifiers:** `CVE-2026-80826`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 4 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:54 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: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before e4039e9bebb528dd9cd7ac72aeaec529c26c355a` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before ade18b4ce78a16558f4f435aece80082f6f7b64c` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before bb572801290e25ec1c4753d14af35777303f5d6b` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before 62cd519ab74cac499036cd88c11692f8f0d53e14` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before ff172092cba7ec990ecc7b610ce703e19570b8f0` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before b4cb8081cf80f82e48fbe9c021a8f6d0fa2ed421` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before 7983daa159981fac125db2457437723f38ea1472` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before f24dcc61bd0ecf7639fac5bf700450b398d793a7` (git)
  - affected: `e9b29ffc519b9e63d4e1c0b1278bb951bb418a9d to before b1e24de475bf2d66fffc9103f3444b783527d55a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.26`
  - unaffected: `before 2.6.26` (semver)
  - unaffected: `5.10.269 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.220 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.187 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.156 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.108 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.49 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.13 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2.3 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:** 0.0019, the 9th percentile, on 14 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 4 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80826](https://www.cve.org/CVERecord?id=CVE-2026-80826)
- [NVD: CVE-2026-80826](https://nvd.nist.gov/vuln/detail/CVE-2026-80826)

### References from the CNA

- <https://git.kernel.org/stable/c/e4039e9bebb528dd9cd7ac72aeaec529c26c355a>
- <https://git.kernel.org/stable/c/ade18b4ce78a16558f4f435aece80082f6f7b64c>
- <https://git.kernel.org/stable/c/bb572801290e25ec1c4753d14af35777303f5d6b>
- <https://git.kernel.org/stable/c/62cd519ab74cac499036cd88c11692f8f0d53e14>
- <https://git.kernel.org/stable/c/ff172092cba7ec990ecc7b610ce703e19570b8f0>
- <https://git.kernel.org/stable/c/b4cb8081cf80f82e48fbe9c021a8f6d0fa2ed421>
- <https://git.kernel.org/stable/c/7983daa159981fac125db2457437723f38ea1472>
- <https://git.kernel.org/stable/c/f24dcc61bd0ecf7639fac5bf700450b398d793a7>
- <https://git.kernel.org/stable/c/b1e24de475bf2d66fffc9103f3444b783527d55a>

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-2026-80826>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80826/>. Everything for agents: <https://agentprime.io/llms.txt>.