# thunderbolt: Keep XDomain reference during the lifetime of a service

CVE record · `CVE-2026-97509`

- **Identifiers:** `CVE-2026-97509`
- **State:** Confirmed
- **Severity:** CVSS 8.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 3 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:05 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: `d1ff70241a275133e1a0258b7c23588b122276c8 to before a4567e5380e4e46d0ea9a28d2d675e5c6f013d54` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before daeaa6c7211d03ed061b0dd22a875fad9372b090` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before cca72fe513f3d6b1279fe83483f8a8990adbe0c6` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9f` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 8ab12d015884b8aa85ea7ed58c5a0bae4264fe60` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 8b4060998637f06975fceee9b73845d8672d411e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (semver)
  - unaffected: `5.10.266 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.217 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 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 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

- 8.8 High, CVSS 3.1: `CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0024, the 15th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97509](https://www.cve.org/CVERecord?id=CVE-2026-97509)
- [NVD: CVE-2026-97509](https://nvd.nist.gov/vuln/detail/CVE-2026-97509)

### References from the CNA

- <https://git.kernel.org/stable/c/a4567e5380e4e46d0ea9a28d2d675e5c6f013d54>
- <https://git.kernel.org/stable/c/daeaa6c7211d03ed061b0dd22a875fad9372b090>
- <https://git.kernel.org/stable/c/cca72fe513f3d6b1279fe83483f8a8990adbe0c6>
- <https://git.kernel.org/stable/c/57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9f>
- <https://git.kernel.org/stable/c/8ab12d015884b8aa85ea7ed58c5a0bae4264fe60>
- <https://git.kernel.org/stable/c/ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7>
- <https://git.kernel.org/stable/c/8b4060998637f06975fceee9b73845d8672d411e>

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-2026-97509>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97509/>. Everything for agents: <https://agentprime.io/llms.txt>.