# module: validate string table section types

CVE record · `CVE-2026-89556`

- **Identifiers:** `CVE-2026-89556`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 10 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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: `f19f1a1c5fe56274e95b342e8138f4b774febf97 to before db07e9b0320e480f05f5c12e8e4d6699f0d3acb7` (git)
  - affected: `c92aab819d56d51631f0484ed7af11d9d8ff4cb0 to before 50d0aa7d25ba4bc3606f150cd69755068e79f97f` (git)
  - affected: `c92aab819d56d51631f0484ed7af11d9d8ff4cb0 to before e4496dda2c6d0acf7ba5fbce14a2723a8935ceee` (git)
  - affected: `c92aab819d56d51631f0484ed7af11d9d8ff4cb0 to before 9a5ff45689329835f874cefe5174e577d141d423` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.13`
  - unaffected: `before 6.13` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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 10th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 11 Sept 2026, 19:44 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-89556)
- 11 Sept 2026, 20:19 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-89556)

## Sources

- [CVE List: CVE-2026-89556](https://www.cve.org/CVERecord?id=CVE-2026-89556)
- [NVD: CVE-2026-89556](https://nvd.nist.gov/vuln/detail/CVE-2026-89556)

### References from the CNA

- <https://git.kernel.org/stable/c/db07e9b0320e480f05f5c12e8e4d6699f0d3acb7>
- <https://git.kernel.org/stable/c/50d0aa7d25ba4bc3606f150cd69755068e79f97f>
- <https://git.kernel.org/stable/c/e4496dda2c6d0acf7ba5fbce14a2723a8935ceee>
- <https://git.kernel.org/stable/c/9a5ff45689329835f874cefe5174e577d141d423>

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-2026-89556>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89556/>. Everything for agents: <https://agentprime.io/llms.txt>.