# hugetlbfs: release subpool on fill_super failure

CVE record · `CVE-2026-90283`

- **Identifiers:** `CVE-2026-90283`
- **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, 16:08 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: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before f2d6cea221d777fab3ba18f805ba4c17c90e0b8b` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before 91c4f3a87862fd86594d5945512decbfa0b1d13d` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before 04f0354a4abf6793aa5b3f32e2b019ab206f344d` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before 5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before 1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before dfe848cadfde4179a0691da34f4bed36ff7185b5` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before dc2bd517ac0bce4ec7498644bd16b6db502df8e2` (git)
  - affected: `7ca02d0ae586fe7df59632966a64f3f1a756ef05 to before 308ab73e97c87bd0e142b11758faab7f88d82854` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.1`
  - unaffected: `before 4.1` (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: `6.18.52 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:** 0.0023, the 13th 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-2026-90283](https://www.cve.org/CVERecord?id=CVE-2026-90283)
- [NVD: CVE-2026-90283](https://nvd.nist.gov/vuln/detail/CVE-2026-90283)

### References from the CNA

- <https://git.kernel.org/stable/c/f2d6cea221d777fab3ba18f805ba4c17c90e0b8b>
- <https://git.kernel.org/stable/c/91c4f3a87862fd86594d5945512decbfa0b1d13d>
- <https://git.kernel.org/stable/c/04f0354a4abf6793aa5b3f32e2b019ab206f344d>
- <https://git.kernel.org/stable/c/5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b>
- <https://git.kernel.org/stable/c/1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa>
- <https://git.kernel.org/stable/c/dfe848cadfde4179a0691da34f4bed36ff7185b5>
- <https://git.kernel.org/stable/c/dc2bd517ac0bce4ec7498644bd16b6db502df8e2>
- <https://git.kernel.org/stable/c/308ab73e97c87bd0e142b11758faab7f88d82854>

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-2026-90283>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90283/>. Everything for agents: <https://agentprime.io/llms.txt>.