# mtd: rawnand: validate ONFI extended parameter page sections

CVE record · `CVE-2026-89952`

- **Identifiers:** `CVE-2026-89952`
- **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: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before 1bf148fabe6463422195b7cc43b3412533f1dc21` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before c7df90bbda71549bfd981bf478ad04ddfccf4e0d` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before 86948f81964e40cd6472d76a6371e4f297d84db0` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before ddb6ddf5be7429bb98b3368c883be51f00b31678` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before 12a63a0f0d17b2d26211b2524ded91a67dd5c99c` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before c8f86e375b39cada09fd8cb33dd3bb3641e84a62` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before 23e747fe585830c43095c37c85b2757231c6917f` (git)
  - affected: `6dcbe0cdd83fb5f77be4f44c9e06c535281c375a to before e5e415262330bd70f983e091d8919d9dcd99e475` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.12`
  - unaffected: `before 3.12` (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: `6.18.51 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:** 0.0022, the 12th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89952](https://www.cve.org/CVERecord?id=CVE-2026-89952)
- [NVD: CVE-2026-89952](https://nvd.nist.gov/vuln/detail/CVE-2026-89952)

### References from the CNA

- <https://git.kernel.org/stable/c/1bf148fabe6463422195b7cc43b3412533f1dc21>
- <https://git.kernel.org/stable/c/c7df90bbda71549bfd981bf478ad04ddfccf4e0d>
- <https://git.kernel.org/stable/c/86948f81964e40cd6472d76a6371e4f297d84db0>
- <https://git.kernel.org/stable/c/ddb6ddf5be7429bb98b3368c883be51f00b31678>
- <https://git.kernel.org/stable/c/12a63a0f0d17b2d26211b2524ded91a67dd5c99c>
- <https://git.kernel.org/stable/c/c8f86e375b39cada09fd8cb33dd3bb3641e84a62>
- <https://git.kernel.org/stable/c/23e747fe585830c43095c37c85b2757231c6917f>
- <https://git.kernel.org/stable/c/e5e415262330bd70f983e091d8919d9dcd99e475>

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-2026-89952>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89952/>. Everything for agents: <https://agentprime.io/llms.txt>.