# thunderbolt: Set tb->root_switch to NULL when domain is stopped

CVE record · `CVE-2026-97508`

- **Identifiers:** `CVE-2026-97508`
- **State:** Confirmed
- **Severity:** CVSS 7.5 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, 16:04 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 d9a638e7bc87e0e6fe3a75517ac481e72fc0058c` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 66b0fe27e277713c2b9f3c452c76330ed0bd7eaf` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 54ad3415cc211ca0d64ae1bf3234d6eb5c6aedd0` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 83d1af5b1b6e6c96ffa633ca2c9a77f6f4c93efa` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before f06e9fbae78a51832211b4495a19412c7d49ecb4` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before 99f019d2e9eb79adc485fef8aa8ada2cd0c843e9` (git)
  - affected: `d1ff70241a275133e1a0258b7c23588b122276c8 to before e56249d8a68e712f3b60e1f3fdbb5b4fea146468` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 13th 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-2026-97508](https://www.cve.org/CVERecord?id=CVE-2026-97508)
- [NVD: CVE-2026-97508](https://nvd.nist.gov/vuln/detail/CVE-2026-97508)

### References from the CNA

- <https://git.kernel.org/stable/c/d9a638e7bc87e0e6fe3a75517ac481e72fc0058c>
- <https://git.kernel.org/stable/c/66b0fe27e277713c2b9f3c452c76330ed0bd7eaf>
- <https://git.kernel.org/stable/c/54ad3415cc211ca0d64ae1bf3234d6eb5c6aedd0>
- <https://git.kernel.org/stable/c/83d1af5b1b6e6c96ffa633ca2c9a77f6f4c93efa>
- <https://git.kernel.org/stable/c/f06e9fbae78a51832211b4495a19412c7d49ecb4>
- <https://git.kernel.org/stable/c/99f019d2e9eb79adc485fef8aa8ada2cd0c843e9>
- <https://git.kernel.org/stable/c/e56249d8a68e712f3b60e1f3fdbb5b4fea146468>

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-2026-97508>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97508/>. Everything for agents: <https://agentprime.io/llms.txt>.