# ocfs2: bound namelen in dlm_migrate_request_handler

CVE record · `CVE-2026-89495`

- **Identifiers:** `CVE-2026-89495`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before e1288865b8ceac0dcd1009ecba43de961f13d5bd` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before aabc5d8388e6f8826345f0073455dbcaaaa6491d` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before 006c96ea488eca2ef5155ec76038e0a4dbf65f0a` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before 24989909d3413b44b104102caa6661b1e424ba0f` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before f8658ee3327f73bd81c0bcd07cdeb5a8527fac98` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before de10cd3b062a5235af754925fcf49beb5a1109d4` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before 2487bea2098322669f0563baff53e797486b823f` (git)
  - affected: `6714d8e86bf443f6f7af50f9d432025649f091f5 to before ea5b5609305a8437bc955a0834a530c12246d78f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.16`
  - unaffected: `before 2.6.16` (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: `6.12.109 to 6.12.*, inclusive` (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

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0071, the 54th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89495](https://www.cve.org/CVERecord?id=CVE-2026-89495)
- [NVD: CVE-2026-89495](https://nvd.nist.gov/vuln/detail/CVE-2026-89495)

### References from the CNA

- <https://git.kernel.org/stable/c/e1288865b8ceac0dcd1009ecba43de961f13d5bd>
- <https://git.kernel.org/stable/c/aabc5d8388e6f8826345f0073455dbcaaaa6491d>
- <https://git.kernel.org/stable/c/006c96ea488eca2ef5155ec76038e0a4dbf65f0a>
- <https://git.kernel.org/stable/c/24989909d3413b44b104102caa6661b1e424ba0f>
- <https://git.kernel.org/stable/c/f8658ee3327f73bd81c0bcd07cdeb5a8527fac98>
- <https://git.kernel.org/stable/c/de10cd3b062a5235af754925fcf49beb5a1109d4>
- <https://git.kernel.org/stable/c/2487bea2098322669f0563baff53e797486b823f>
- <https://git.kernel.org/stable/c/ea5b5609305a8437bc955a0834a530c12246d78f>

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-2026-89495>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89495/>. Everything for agents: <https://agentprime.io/llms.txt>.