# platform/chrome: cros_ec_debugfs: Unregister panic notifier

CVE record · `CVE-2026-90404`

- **Identifiers:** `CVE-2026-90404`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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: `d90fa2c64d59f5f151beeef5dbc599784b3391ca to before 56989e2a9c292ff7689603feed41d030301ca636` (git)
  - affected: `d90fa2c64d59f5f151beeef5dbc599784b3391ca to before a5d3128b06ccfc398c2e456fddebadce52310bd8` (git)
  - affected: `d90fa2c64d59f5f151beeef5dbc599784b3391ca to before e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f` (git)
  - affected: `d90fa2c64d59f5f151beeef5dbc599784b3391ca to before 05c1081ae4503e45b934b390350f942db3208892` (git)
  - affected: `d90fa2c64d59f5f151beeef5dbc599784b3391ca to before e5954d3031fb55dd31aa59bae477d63c68e941c0` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.3`
  - unaffected: `before 6.3` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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 10th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90404](https://www.cve.org/CVERecord?id=CVE-2026-90404)
- [NVD: CVE-2026-90404](https://nvd.nist.gov/vuln/detail/CVE-2026-90404)

### References from the CNA

- <https://git.kernel.org/stable/c/56989e2a9c292ff7689603feed41d030301ca636>
- <https://git.kernel.org/stable/c/a5d3128b06ccfc398c2e456fddebadce52310bd8>
- <https://git.kernel.org/stable/c/e2cbe14361d7cb0b5abd66d87f3afa0e16efde9f>
- <https://git.kernel.org/stable/c/05c1081ae4503e45b934b390350f942db3208892>
- <https://git.kernel.org/stable/c/e5954d3031fb55dd31aa59bae477d63c68e941c0>

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-2026-90404>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90404/>. Everything for agents: <https://agentprime.io/llms.txt>.