# net/sched: bound qdisc_pkt_len to prevent qdisc soft lockup

CVE record · `CVE-2026-90058`

- **Identifiers:** `CVE-2026-90058`
- **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 4f0f4b09a95ef602fbdae948326beadd9c20eab3` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0bc5a6280a132a2170c6fa742436e01b635f02de` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 448c34421b38ec7c93a0060a885218ca319d382b` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 82fdbf49b9f7528c82bf608cfa9710e5f81a198c` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6e78792d8ce1fa3561713860ee8086901dde4f99` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 1a5c26e586481bc82abc19ac92c3d9f10518f525` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 16d21a27df3f50b7251c9388fc5a7ab22703b469` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8f735d64382dcf162f4276d6699d03ad2f859c0b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (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-2026-90058](https://www.cve.org/CVERecord?id=CVE-2026-90058)
- [NVD: CVE-2026-90058](https://nvd.nist.gov/vuln/detail/CVE-2026-90058)

### References from the CNA

- <https://git.kernel.org/stable/c/4f0f4b09a95ef602fbdae948326beadd9c20eab3>
- <https://git.kernel.org/stable/c/0bc5a6280a132a2170c6fa742436e01b635f02de>
- <https://git.kernel.org/stable/c/448c34421b38ec7c93a0060a885218ca319d382b>
- <https://git.kernel.org/stable/c/82fdbf49b9f7528c82bf608cfa9710e5f81a198c>
- <https://git.kernel.org/stable/c/6e78792d8ce1fa3561713860ee8086901dde4f99>
- <https://git.kernel.org/stable/c/1a5c26e586481bc82abc19ac92c3d9f10518f525>
- <https://git.kernel.org/stable/c/16d21a27df3f50b7251c9388fc5a7ab22703b469>
- <https://git.kernel.org/stable/c/8f735d64382dcf162f4276d6699d03ad2f859c0b>

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-2026-90058>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90058/>. Everything for agents: <https://agentprime.io/llms.txt>.