# sctp: validate chunk length in the inqueue parser

CVE record · `CVE-2026-99128`

- **Identifiers:** `CVE-2026-99128`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 28 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 28 Oct 2026, 10:34 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: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before cc4a4f1d6b6d725438dc37b97f03d95ed9feb63f` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before b0dbd53b242609c88e81b0a49093bdbef5d5a418` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before d28ea1a62e27210d8ea3cf496dfae85dbdd7b84f` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before 5a7ee52589dae36c93dc64d7a97c5ded84618572` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before e0fb7fe180488a5afa2e91509ea838e8df8cb771` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before 40507f59f230dcf60ae13cb48d34f8c6e9f40659` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before 9ac57e4c62e93c287b36080e5da3645690549990` (git)
  - affected: `bbd0d59809f923ea2b540cbd781b32110e249f6e to before 6cfc1b90cb86f4aabc69fb8e30128e07e2cdfa3a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.24`
  - unaffected: `before 2.6.24` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.59 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.13 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:** 0.0019, the 8th percentile, on 5 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 28 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-99128](https://www.cve.org/CVERecord?id=CVE-2026-99128)
- [NVD: CVE-2026-99128](https://nvd.nist.gov/vuln/detail/CVE-2026-99128)

### References from the CNA

- <https://git.kernel.org/stable/c/cc4a4f1d6b6d725438dc37b97f03d95ed9feb63f>
- <https://git.kernel.org/stable/c/b0dbd53b242609c88e81b0a49093bdbef5d5a418>
- <https://git.kernel.org/stable/c/d28ea1a62e27210d8ea3cf496dfae85dbdd7b84f>
- <https://git.kernel.org/stable/c/5a7ee52589dae36c93dc64d7a97c5ded84618572>
- <https://git.kernel.org/stable/c/e0fb7fe180488a5afa2e91509ea838e8df8cb771>
- <https://git.kernel.org/stable/c/40507f59f230dcf60ae13cb48d34f8c6e9f40659>
- <https://git.kernel.org/stable/c/9ac57e4c62e93c287b36080e5da3645690549990>
- <https://git.kernel.org/stable/c/6cfc1b90cb86f4aabc69fb8e30128e07e2cdfa3a>

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-2026-99128>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99128/>. Everything for agents: <https://agentprime.io/llms.txt>.