# net/sched: fq_codel: clamp default quantum and mtu

CVE record · `CVE-2026-90075`

- **Identifiers:** `CVE-2026-90075`
- **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, 16:05 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: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before d315ee8a07fd1810880227319cf60e6cd925ef22` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before a9a5b2943a00df2ab81a2209f31dd9e87016f120` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before 3782067ec0d485628b6f1f9ede3eeeb4f611fcf2` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before 397e2b1f71d9f15b8b4e47d24eb620e4dff8878d` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before 324f86806673ae4a55f66d28db84577f46f615e1` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before dfb4b61db886917244284b18b44b23d2254b82c2` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before 9f499e5827fdb6d7fdb46a7ce731852f6b1a1bb9` (git)
  - affected: `4b549a2ef4bef9965d97cbd992ba67930cd3e0fe to before d9ebd8f9aa8b2773235889cb903fafd61f2d8585` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.5`
  - unaffected: `before 3.5` (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:** 0.0022, 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90075](https://www.cve.org/CVERecord?id=CVE-2026-90075)
- [NVD: CVE-2026-90075](https://nvd.nist.gov/vuln/detail/CVE-2026-90075)

### References from the CNA

- <https://git.kernel.org/stable/c/d315ee8a07fd1810880227319cf60e6cd925ef22>
- <https://git.kernel.org/stable/c/a9a5b2943a00df2ab81a2209f31dd9e87016f120>
- <https://git.kernel.org/stable/c/3782067ec0d485628b6f1f9ede3eeeb4f611fcf2>
- <https://git.kernel.org/stable/c/397e2b1f71d9f15b8b4e47d24eb620e4dff8878d>
- <https://git.kernel.org/stable/c/324f86806673ae4a55f66d28db84577f46f615e1>
- <https://git.kernel.org/stable/c/dfb4b61db886917244284b18b44b23d2254b82c2>
- <https://git.kernel.org/stable/c/9f499e5827fdb6d7fdb46a7ce731852f6b1a1bb9>
- <https://git.kernel.org/stable/c/d9ebd8f9aa8b2773235889cb903fafd61f2d8585>

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-2026-90075>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90075/>. Everything for agents: <https://agentprime.io/llms.txt>.