# gpio: mxc: fix race between chained IRQ handler install and probe completion

CVE record · `CVE-2026-99189`

- **Identifiers:** `CVE-2026-99189`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 28 Oct 2026
- **Updated:** 28 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:35 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: `5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b to before 261802c14e1a3281987ea8f106701e5ed9652f68` (git)
  - affected: `5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b to before 6c1e035d881579a6e4ed1ce5feabb13d23e80a82` (git)
  - affected: `5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b to before 38d44f78f041ffe60c8e2443b99434a199e7541d` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.6`
  - unaffected: `before 6.6` (semver)
  - unaffected: `6.18.59 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.13 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:** 0.0017, the 6th percentile, on 6 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 28 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99189](https://www.cve.org/CVERecord?id=CVE-2026-99189)
- [NVD: CVE-2026-99189](https://nvd.nist.gov/vuln/detail/CVE-2026-99189)

### References from the CNA

- <https://git.kernel.org/stable/c/261802c14e1a3281987ea8f106701e5ed9652f68>
- <https://git.kernel.org/stable/c/6c1e035d881579a6e4ed1ce5feabb13d23e80a82>
- <https://git.kernel.org/stable/c/38d44f78f041ffe60c8e2443b99434a199e7541d>

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-2026-99189>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99189/>. Everything for agents: <https://agentprime.io/llms.txt>.