# ocfs2: always run deallocs on copy-on-write completion

CVE record · `CVE-2026-89496`

- **Identifiers:** `CVE-2026-89496`
- **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: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 5ff30f07def6d0e6edacf47952807b5ff60f3af6` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 2753e12853ed2023555cec2c5fe22fbaabb2c0b7` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before f0261b3aca027f5c409a402ea22f6982750f911c` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before a4adaa722977f46511d4247172cd4ec991b80ff2` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 123c050eb96aae0bab74c9f06c6ad3de7992722b` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 71f07b7f90b3109c9098d1b9c8efbbeece5deb8a` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 09e93a60e18e83a630ff84ae00cb564bab96ab1f` (git)
  - affected: `6f70fa519976a379d72781d927cf8e5f5b05ec86 to before 82ea9d4fc05fb7a387db547c6a7c0aa6a3719616` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.32`
  - unaffected: `before 2.6.32` (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-2026-89496](https://www.cve.org/CVERecord?id=CVE-2026-89496)
- [NVD: CVE-2026-89496](https://nvd.nist.gov/vuln/detail/CVE-2026-89496)

### References from the CNA

- <https://git.kernel.org/stable/c/5ff30f07def6d0e6edacf47952807b5ff60f3af6>
- <https://git.kernel.org/stable/c/2753e12853ed2023555cec2c5fe22fbaabb2c0b7>
- <https://git.kernel.org/stable/c/f0261b3aca027f5c409a402ea22f6982750f911c>
- <https://git.kernel.org/stable/c/a4adaa722977f46511d4247172cd4ec991b80ff2>
- <https://git.kernel.org/stable/c/123c050eb96aae0bab74c9f06c6ad3de7992722b>
- <https://git.kernel.org/stable/c/71f07b7f90b3109c9098d1b9c8efbbeece5deb8a>
- <https://git.kernel.org/stable/c/09e93a60e18e83a630ff84ae00cb564bab96ab1f>
- <https://git.kernel.org/stable/c/82ea9d4fc05fb7a387db547c6a7c0aa6a3719616>

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-2026-89496>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89496/>. Everything for agents: <https://agentprime.io/llms.txt>.