# iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable

CVE record · `CVE-2026-89939`

- **Identifiers:** `CVE-2026-89939`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before c7e91ae6d7802170f53ece09a4ecc6302265d3e4` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before a595f4d3e4ee1c91c62a298730a77b16dc26b426` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before 72daa7eb7fc6202fece0bb56487d72af5c49ccdf` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before 43bce901047e95bbf8fb63eb471460642e497604` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before 777e8ebfe6b3fa733694977f0f4cf849e07e925c` (git)
  - affected: `0e4f336f50debeacd0f81e931e8451f2ae03f685 to before bcd3f72e26314edfce7eaf8d7160b3119c7b7fed` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.14`
  - unaffected: `before 5.14` (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: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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:** 0.0021, the 11th percentile, on 15 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89939](https://www.cve.org/CVERecord?id=CVE-2026-89939)
- [NVD: CVE-2026-89939](https://nvd.nist.gov/vuln/detail/CVE-2026-89939)

### References from the CNA

- <https://git.kernel.org/stable/c/c7e91ae6d7802170f53ece09a4ecc6302265d3e4>
- <https://git.kernel.org/stable/c/a595f4d3e4ee1c91c62a298730a77b16dc26b426>
- <https://git.kernel.org/stable/c/72daa7eb7fc6202fece0bb56487d72af5c49ccdf>
- <https://git.kernel.org/stable/c/aedf8f068d9da774d5cb62e9c9d6e62b2ce64d86>
- <https://git.kernel.org/stable/c/43bce901047e95bbf8fb63eb471460642e497604>
- <https://git.kernel.org/stable/c/777e8ebfe6b3fa733694977f0f4cf849e07e925c>
- <https://git.kernel.org/stable/c/bcd3f72e26314edfce7eaf8d7160b3119c7b7fed>

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-2026-89939>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89939/>. Everything for agents: <https://agentprime.io/llms.txt>.