# gpio: mpsse: fix race when arming the IRQ poll worker

CVE record · `CVE-2026-99050`

- **Identifiers:** `CVE-2026-99050`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:22 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: `472d900c8bcac301ae0e40fdca7db799bd989ff5 to before 76390ac0bca7e5058b7482eb4d951c3bda5df812` (git)
  - affected: `179ef1127d7a4f09f0e741fa9f30b8a8e7886271 to before c0071ee496e1228976c72b096f529503222708a0` (git)
  - affected: `179ef1127d7a4f09f0e741fa9f30b8a8e7886271 to before 7efa1a1953cd6b20b23a3524d5b4b81789c6ef25` (git)
  - affected: `6.18.6 to before 6.18.57` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.19`
  - unaffected: `before 6.19` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0016, the 4th percentile, on 5 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99050](https://www.cve.org/CVERecord?id=CVE-2026-99050)
- [NVD: CVE-2026-99050](https://nvd.nist.gov/vuln/detail/CVE-2026-99050)

### References from the CNA

- <https://git.kernel.org/stable/c/76390ac0bca7e5058b7482eb4d951c3bda5df812>
- <https://git.kernel.org/stable/c/c0071ee496e1228976c72b096f529503222708a0>
- <https://git.kernel.org/stable/c/7efa1a1953cd6b20b23a3524d5b4b81789c6ef25>

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-2026-99050>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99050/>. Everything for agents: <https://agentprime.io/llms.txt>.