# ACPI: PCI: Clear driver_data on all paths that free the acpi_pci_root

CVE record · `CVE-2026-92521`

- **Identifiers:** `CVE-2026-92521`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:10 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: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 321bb0eb1486a0d575f02e24e3f4170e408c2f51` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 3c1e8a14f9d06c1ed6f3e4bd2d283a62079109e2` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before a285fa3780c768dcc51c76768707d099a2cc611d` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 6aaf6dbf54fdfae096f3f90a79e9614e46579280` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 70cf773cca30a10b4964c24520a71279c974b899` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 3eee4c21931dc048ce63b86809f04e4e6f0dcad5` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 6e11ac626f9f9fc3a2ed27dfa44ccbe5fb762217` (git)
  - affected: `db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 to before 8a742141f7ab84975aa758b775567ef4740ef0cf` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.28`
  - unaffected: `before 2.6.28` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0018, the 7th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-92521](https://www.cve.org/CVERecord?id=CVE-2026-92521)
- [NVD: CVE-2026-92521](https://nvd.nist.gov/vuln/detail/CVE-2026-92521)

### References from the CNA

- <https://git.kernel.org/stable/c/321bb0eb1486a0d575f02e24e3f4170e408c2f51>
- <https://git.kernel.org/stable/c/3c1e8a14f9d06c1ed6f3e4bd2d283a62079109e2>
- <https://git.kernel.org/stable/c/a285fa3780c768dcc51c76768707d099a2cc611d>
- <https://git.kernel.org/stable/c/6aaf6dbf54fdfae096f3f90a79e9614e46579280>
- <https://git.kernel.org/stable/c/70cf773cca30a10b4964c24520a71279c974b899>
- <https://git.kernel.org/stable/c/3eee4c21931dc048ce63b86809f04e4e6f0dcad5>
- <https://git.kernel.org/stable/c/6e11ac626f9f9fc3a2ed27dfa44ccbe5fb762217>
- <https://git.kernel.org/stable/c/8a742141f7ab84975aa758b775567ef4740ef0cf>

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-2026-92521>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-92521/>. Everything for agents: <https://agentprime.io/llms.txt>.