# null_blk: serialize configfs attribute updates with device setup

CVE record · `CVE-2026-90184`

- **Identifiers:** `CVE-2026-90184`
- **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, 16:07 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: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before 6352e7ead2d8111802a554eeb94886f5a9894bb9` (git)
  - affected: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before 7de792b4c48fba02a36a8077032f7d5093c925e5` (git)
  - affected: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before aed8af338a09a64d63b068a803c4ecfc5701dd4c` (git)
  - affected: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before 32456a85995579e56c60cc53c357cda75a9d4f7c` (git)
  - affected: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before d3d35dd045a35991bf6fd13de5f293e6dd7bf3b3` (git)
  - affected: `3bf2bd20734e3e6ffda53719a9c10fb3ee9c5ffa to before 4e1f23f9c33c156be7e313b40695af5a3a834739` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.14`
  - unaffected: `before 4.14` (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: `6.18.52 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-2026-90184](https://www.cve.org/CVERecord?id=CVE-2026-90184)
- [NVD: CVE-2026-90184](https://nvd.nist.gov/vuln/detail/CVE-2026-90184)

### References from the CNA

- <https://git.kernel.org/stable/c/6352e7ead2d8111802a554eeb94886f5a9894bb9>
- <https://git.kernel.org/stable/c/7de792b4c48fba02a36a8077032f7d5093c925e5>
- <https://git.kernel.org/stable/c/aed8af338a09a64d63b068a803c4ecfc5701dd4c>
- <https://git.kernel.org/stable/c/32456a85995579e56c60cc53c357cda75a9d4f7c>
- <https://git.kernel.org/stable/c/d3d35dd045a35991bf6fd13de5f293e6dd7bf3b3>
- <https://git.kernel.org/stable/c/4e1f23f9c33c156be7e313b40695af5a3a834739>

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-2026-90184>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-90184/>. Everything for agents: <https://agentprime.io/llms.txt>.