# acpi/apei/ghes: Use raw_spinlock_t for CXL CPER work locks

CVE record · `CVE-2026-89589`

- **Identifiers:** `CVE-2026-89589`
- **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, 19:44 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: `5e4a264bf8b55d5a1b4c8cd96ac10b99f98d7487 to before cbc27a4302a1feb0ff77c1755021837a738b0ce9` (git)
  - affected: `5e4a264bf8b55d5a1b4c8cd96ac10b99f98d7487 to before c735dbce7ad03df708bf22ec964f67e43cbc823a` (git)
  - affected: `5e4a264bf8b55d5a1b4c8cd96ac10b99f98d7487 to before 0e25382b05de48d09b243d3d447d236a6d735bc2` (git)
  - affected: `5e4a264bf8b55d5a1b4c8cd96ac10b99f98d7487 to before 6625ca499c3131ef63be3215f8f942d7a097ea3a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.10`
  - unaffected: `before 6.10` (semver)
  - unaffected: `6.12.111 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-2026-89589](https://www.cve.org/CVERecord?id=CVE-2026-89589)
- [NVD: CVE-2026-89589](https://nvd.nist.gov/vuln/detail/CVE-2026-89589)

### References from the CNA

- <https://git.kernel.org/stable/c/cbc27a4302a1feb0ff77c1755021837a738b0ce9>
- <https://git.kernel.org/stable/c/c735dbce7ad03df708bf22ec964f67e43cbc823a>
- <https://git.kernel.org/stable/c/0e25382b05de48d09b243d3d447d236a6d735bc2>
- <https://git.kernel.org/stable/c/6625ca499c3131ef63be3215f8f942d7a097ea3a>

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-2026-89589>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89589/>. Everything for agents: <https://agentprime.io/llms.txt>.