# ocfs2: cluster: don't sleep while holding o2hb_live_lock in o2hb_region_pin()

CVE record · `CVE-2026-89491`

- **Identifiers:** `CVE-2026-89491`
- **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: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before 4d64f8da82fb9e8dbd5aa9b64c9bb6ac0decea03` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before 3b790774280a610f8bdbd5d4260a07345bcf8e04` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before 0cbc2f20a6ea7b4a59efa9171b7c694cdd196507` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before c9be4de77f97f383b750698e1517fd296041f4bb` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before 49002acc520c61002ad195894ac391c94317d3ba` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before ce035f208d68b812d83e5482980f2b1c88a9cd94` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before 470212a5eefabcc16b8e2f7fe2844b8737fe571c` (git)
  - affected: `58a3158a5d17ddf4894db9e8ccaf92093ff8e42e to before af09df89db9a68a1d76df0f75667998135bc8d65` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.38`
  - unaffected: `before 2.6.38` (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:** 0.0022, the 12th 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-2026-89491](https://www.cve.org/CVERecord?id=CVE-2026-89491)
- [NVD: CVE-2026-89491](https://nvd.nist.gov/vuln/detail/CVE-2026-89491)

### References from the CNA

- <https://git.kernel.org/stable/c/4d64f8da82fb9e8dbd5aa9b64c9bb6ac0decea03>
- <https://git.kernel.org/stable/c/3b790774280a610f8bdbd5d4260a07345bcf8e04>
- <https://git.kernel.org/stable/c/0cbc2f20a6ea7b4a59efa9171b7c694cdd196507>
- <https://git.kernel.org/stable/c/c9be4de77f97f383b750698e1517fd296041f4bb>
- <https://git.kernel.org/stable/c/49002acc520c61002ad195894ac391c94317d3ba>
- <https://git.kernel.org/stable/c/ce035f208d68b812d83e5482980f2b1c88a9cd94>
- <https://git.kernel.org/stable/c/470212a5eefabcc16b8e2f7fe2844b8737fe571c>
- <https://git.kernel.org/stable/c/af09df89db9a68a1d76df0f75667998135bc8d65>

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-2026-89491>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89491/>. Everything for agents: <https://agentprime.io/llms.txt>.