# PCI: mediatek: Protect root bus removal with rescan lock

CVE record · `CVE-2026-93819`

- **Identifiers:** `CVE-2026-93819`
- **State:** Confirmed
- **Severity:** No CVSS score
- **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, 16:02 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: `031337ace2d1c22a447da6390716fe92592cdd6e to before d54417acb22d9e8bc404a8598330bc9729ee7146` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before 5dd379acfa38c516e904bcfa693502cd585a0bba` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before 8d910649725955435c6a807944108bca0570712d` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before 31e33dcc896527b3ad790fdc6aa6b8d2995c078b` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before c57b971765f835138fa2fce3f2a171b004cbb114` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before a568939487dcbc1a3e341208585e224be897e25e` (git)
  - affected: `031337ace2d1c22a447da6390716fe92592cdd6e to before a29812a55da8d0dbeb071b26ac428c338e3fc389` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.20`
  - unaffected: `before 4.20` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93819](https://www.cve.org/CVERecord?id=CVE-2026-93819)
- [NVD: CVE-2026-93819](https://nvd.nist.gov/vuln/detail/CVE-2026-93819)

### References from the CNA

- <https://git.kernel.org/stable/c/d54417acb22d9e8bc404a8598330bc9729ee7146>
- <https://git.kernel.org/stable/c/5dd379acfa38c516e904bcfa693502cd585a0bba>
- <https://git.kernel.org/stable/c/8d910649725955435c6a807944108bca0570712d>
- <https://git.kernel.org/stable/c/31e33dcc896527b3ad790fdc6aa6b8d2995c078b>
- <https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114>
- <https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e>
- <https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389>

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-2026-93819>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93819/>. Everything for agents: <https://agentprime.io/llms.txt>.