# ocfs2: fix readdir position truncation on 32-bit kernels

CVE record · `CVE-2026-89490`

- **Identifiers:** `CVE-2026-89490`
- **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:** 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.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before c28dc3407937aa8f225942538cd585c9b28ea65a` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 94569154ba49f5f85645d2019c8e206213d8404e` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 1ae7029823ae4c91664cb32eec7fb8dd5e1a337a` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before f9dd5cad8d09110ddff2db1fe756aae93c7552ff` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 1001fb3b69a11eaa0dc7c7428f6edfa48b88997a` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before c0c165487a2ea5a37ddcdab4259157b7a527129c` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before b53e2b271eeb6040c2a4a78230c570dc41cdcfa4` (git)
  - affected: `ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before a63308ab426f3a3c7e33b02c150ea59054620261` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th 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-2026-89490](https://www.cve.org/CVERecord?id=CVE-2026-89490)
- [NVD: CVE-2026-89490](https://nvd.nist.gov/vuln/detail/CVE-2026-89490)

### References from the CNA

- <https://git.kernel.org/stable/c/c28dc3407937aa8f225942538cd585c9b28ea65a>
- <https://git.kernel.org/stable/c/94569154ba49f5f85645d2019c8e206213d8404e>
- <https://git.kernel.org/stable/c/1ae7029823ae4c91664cb32eec7fb8dd5e1a337a>
- <https://git.kernel.org/stable/c/f9dd5cad8d09110ddff2db1fe756aae93c7552ff>
- <https://git.kernel.org/stable/c/1001fb3b69a11eaa0dc7c7428f6edfa48b88997a>
- <https://git.kernel.org/stable/c/c0c165487a2ea5a37ddcdab4259157b7a527129c>
- <https://git.kernel.org/stable/c/b53e2b271eeb6040c2a4a78230c570dc41cdcfa4>
- <https://git.kernel.org/stable/c/a63308ab426f3a3c7e33b02c150ea59054620261>

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-2026-89490>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89490/>. Everything for agents: <https://agentprime.io/llms.txt>.