# net/sched: hhf: clamp quantum before hhf_change() to avoid overflow

CVE record · `CVE-2026-90073`

- **Identifiers:** `CVE-2026-90073`
- **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: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 2e0f0729f922c8de13801004e2131b57646c7c5f` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 0c66223e90ddb4fd3700965a9241f2fde7bd6bc7` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 20b65bf7ca06e48ec1d62ed8012f71205328dbe4` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before dea2789a9d5ff38bdd77f2e64d550430899e2839` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before fa9c2055f0a60f801ccf286af53d387dc6202c3f` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 99770b5d8e0e1c69b996f74a19d71afd2c4a9aa4` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 2446644b0f6d045b01db6acbaf55552dbec8a59a` (git)
  - affected: `10239edf86f137ce4c39b62ea9575e8053c549a0 to before 2164b512b97bb053e8ce4d6e95576f11bed6a005` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.14`
  - unaffected: `before 3.14` (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-2026-90073](https://www.cve.org/CVERecord?id=CVE-2026-90073)
- [NVD: CVE-2026-90073](https://nvd.nist.gov/vuln/detail/CVE-2026-90073)

### References from the CNA

- <https://git.kernel.org/stable/c/2e0f0729f922c8de13801004e2131b57646c7c5f>
- <https://git.kernel.org/stable/c/0c66223e90ddb4fd3700965a9241f2fde7bd6bc7>
- <https://git.kernel.org/stable/c/20b65bf7ca06e48ec1d62ed8012f71205328dbe4>
- <https://git.kernel.org/stable/c/dea2789a9d5ff38bdd77f2e64d550430899e2839>
- <https://git.kernel.org/stable/c/fa9c2055f0a60f801ccf286af53d387dc6202c3f>
- <https://git.kernel.org/stable/c/99770b5d8e0e1c69b996f74a19d71afd2c4a9aa4>
- <https://git.kernel.org/stable/c/2446644b0f6d045b01db6acbaf55552dbec8a59a>
- <https://git.kernel.org/stable/c/2164b512b97bb053e8ce4d6e95576f11bed6a005>

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-2026-90073>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90073/>. Everything for agents: <https://agentprime.io/llms.txt>.