# mm/migrate: report RCU-tasks quiescent states in migrate_pages_batch()

CVE record · `CVE-2026-89756`

- **Identifiers:** `CVE-2026-89756`
- **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, 19:46 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: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before 8c6d63d434ebb85c6cf3dac1e70a171b183c6614` (git)
  - affected: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before 4757542649af56d894e25e30f57cd497dffad53f` (git)
  - affected: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before 4996a7bc01ef35570664854dac2530c604981039` (git)
  - affected: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before 5dc0daff0341c6baba19c38f47d299ac831d7e99` (git)
  - affected: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before 66734981b4d3c105223a13c827c9c73be18d91ad` (git)
  - affected: `8315f42295d2667a7f942f154b73a86fd7cb2227 to before efe8f86c0916f0f74eea74ae21a3b37f728c6bad` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.18`
  - unaffected: `before 3.18` (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:** 0.0020, the 9th 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-2026-89756](https://www.cve.org/CVERecord?id=CVE-2026-89756)
- [NVD: CVE-2026-89756](https://nvd.nist.gov/vuln/detail/CVE-2026-89756)

### References from the CNA

- <https://git.kernel.org/stable/c/8c6d63d434ebb85c6cf3dac1e70a171b183c6614>
- <https://git.kernel.org/stable/c/4757542649af56d894e25e30f57cd497dffad53f>
- <https://git.kernel.org/stable/c/4996a7bc01ef35570664854dac2530c604981039>
- <https://git.kernel.org/stable/c/5dc0daff0341c6baba19c38f47d299ac831d7e99>
- <https://git.kernel.org/stable/c/66734981b4d3c105223a13c827c9c73be18d91ad>
- <https://git.kernel.org/stable/c/efe8f86c0916f0f74eea74ae21a3b37f728c6bad>

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-2026-89756>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89756/>. Everything for agents: <https://agentprime.io/llms.txt>.