# sctp: revalidate output stream after association connect wait

CVE record · `CVE-2026-99165`

- **Identifiers:** `CVE-2026-99165`
- **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, 10:35 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: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before 26af2969b29cc5eb893a454fee2a36b39521a5bd` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before b925652ba3a3ee11b2617e68de92379144b5b84b` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before 504bdf55438ad4b1ecbfba0f7fe95e1933f7fb66` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before 994694a2d4611d7b76cf05ff401a92b1c0451e1f` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before 84f741b7bb3974e674c9739055826aa040362bba` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before 77a63d1b813b08c4e5a948f5e04fbaca6176aa8f` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before fd56ac95ec31a05b66e8938debfa847f49c0e993` (git)
  - affected: `668c9beb9020d5834ee9e43c208190a07d2b1928 to before b7ad72414c673ce1fa1f463e807cd4f34f8be9bf` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.16`
  - unaffected: `before 4.16` (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:** 0.0018, the 7th 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-2026-99165](https://www.cve.org/CVERecord?id=CVE-2026-99165)
- [NVD: CVE-2026-99165](https://nvd.nist.gov/vuln/detail/CVE-2026-99165)

### References from the CNA

- <https://git.kernel.org/stable/c/26af2969b29cc5eb893a454fee2a36b39521a5bd>
- <https://git.kernel.org/stable/c/b925652ba3a3ee11b2617e68de92379144b5b84b>
- <https://git.kernel.org/stable/c/504bdf55438ad4b1ecbfba0f7fe95e1933f7fb66>
- <https://git.kernel.org/stable/c/994694a2d4611d7b76cf05ff401a92b1c0451e1f>
- <https://git.kernel.org/stable/c/84f741b7bb3974e674c9739055826aa040362bba>
- <https://git.kernel.org/stable/c/77a63d1b813b08c4e5a948f5e04fbaca6176aa8f>
- <https://git.kernel.org/stable/c/fd56ac95ec31a05b66e8938debfa847f49c0e993>
- <https://git.kernel.org/stable/c/b7ad72414c673ce1fa1f463e807cd4f34f8be9bf>

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-2026-99165>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99165/>. Everything for agents: <https://agentprime.io/llms.txt>.