# net/sched: fq_pie: clamp default quantum to avoid signed overflow

CVE record · `CVE-2026-90074`

- **Identifiers:** `CVE-2026-90074`
- **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: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before 1f43e4dbc93b7d02761a024d5f895df823c07b72` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before f7942b2693bc24c7d609a03d06f97bee3b0bd96a` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before 6f1be05faecef4c0f9a008200209f66ef2e133f7` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before 435da3734a8e63d3067016accc977ed1d10aaaa0` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before 44dad8fe99b58a7fe2961e9eec6a5f07ace5b51f` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before 044fa2498bbc2900f0c48a6ef2fdd5b2bdfc3795` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before bf97fd2163ad1191ef8daa3d4df8372aee19e396` (git)
  - affected: `ec97ecf1ebe485a17cd8395a5f35e6b80b57665a to before c86cd7ed0b0e44779a3d1683f03e4353baf4bdc9` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.6`
  - unaffected: `before 5.6` (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-2026-90074](https://www.cve.org/CVERecord?id=CVE-2026-90074)
- [NVD: CVE-2026-90074](https://nvd.nist.gov/vuln/detail/CVE-2026-90074)

### References from the CNA

- <https://git.kernel.org/stable/c/1f43e4dbc93b7d02761a024d5f895df823c07b72>
- <https://git.kernel.org/stable/c/f7942b2693bc24c7d609a03d06f97bee3b0bd96a>
- <https://git.kernel.org/stable/c/6f1be05faecef4c0f9a008200209f66ef2e133f7>
- <https://git.kernel.org/stable/c/435da3734a8e63d3067016accc977ed1d10aaaa0>
- <https://git.kernel.org/stable/c/44dad8fe99b58a7fe2961e9eec6a5f07ace5b51f>
- <https://git.kernel.org/stable/c/044fa2498bbc2900f0c48a6ef2fdd5b2bdfc3795>
- <https://git.kernel.org/stable/c/bf97fd2163ad1191ef8daa3d4df8372aee19e396>
- <https://git.kernel.org/stable/c/c86cd7ed0b0e44779a3d1683f03e4353baf4bdc9>

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-2026-90074>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90074/>. Everything for agents: <https://agentprime.io/llms.txt>.