# net/sched: sch_htb: limit htb_classify inner-class filter hops

CVE record · `CVE-2026-90053`

- **Identifiers:** `CVE-2026-90053`
- **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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 83bb11805b620c498d6417e0e409f26887981489` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 90a149ab1f8344b7f713e9a838f69fde9e8d2a51` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 010d05df52cec053bdc67d82c5b61cc4996f3fde` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8c9611f7ba3ea5594e41bac952363aa0966d3280` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e54be9aa503a0297b63aec530fbf760350effd45` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 872317e84fd019ceffba125e62d31586e3336d41` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 729c4896ab829169f95915d65edd530325910b37` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (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:** 0.0021, the 11th 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-2026-90053](https://www.cve.org/CVERecord?id=CVE-2026-90053)
- [NVD: CVE-2026-90053](https://nvd.nist.gov/vuln/detail/CVE-2026-90053)

### References from the CNA

- <https://git.kernel.org/stable/c/83bb11805b620c498d6417e0e409f26887981489>
- <https://git.kernel.org/stable/c/90a149ab1f8344b7f713e9a838f69fde9e8d2a51>
- <https://git.kernel.org/stable/c/010d05df52cec053bdc67d82c5b61cc4996f3fde>
- <https://git.kernel.org/stable/c/8c9611f7ba3ea5594e41bac952363aa0966d3280>
- <https://git.kernel.org/stable/c/e54be9aa503a0297b63aec530fbf760350effd45>
- <https://git.kernel.org/stable/c/872317e84fd019ceffba125e62d31586e3336d41>
- <https://git.kernel.org/stable/c/729c4896ab829169f95915d65edd530325910b37>

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-2026-90053>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90053/>. Everything for agents: <https://agentprime.io/llms.txt>.