# s390/dasd: Propagate partial completion length across ERP recovery

CVE record · `CVE-2026-89456`

- **Identifiers:** `CVE-2026-89456`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **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: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before 9e063165d3fe58db2a517717b830f17e82d03467` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before 6b0954c8a259da1e4aa745989f82723947acfb46` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before d0a2f97d8c97134aa7f6a191940b7bab4bb42f5f` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before f735b9710f0c8fe72c1060103e865f4ae678190b` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before d6b8778b1b82aa3a8dbf8612080f635b834bd16b` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before ceafb262475ac6cb3a7d07b1102608be2b216b99` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before 15ec03452c18e8d288e519837d21b308300d74b2` (git)
  - affected: `5e6bdd37c5526ef01326df5dabb93011ee89237e to before 6fb5ba2e7e43173a3761e46f091070a8185efa14` (git)
  - affected: `fbbacd0dcbc3ae9398c569dbea96ae4b5ad97e04` (git)
  - affected: `5f7c9989f11305aaa43e0f4378f4f070022a9f2b` (git)
  - affected: `5.4.26 to before 5.5` (semver)
  - affected: `5.5.10 to before 5.6` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.6`
  - unaffected: `before 5.6` (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

- 7.0 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0015, the 4th 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-2026-89456](https://www.cve.org/CVERecord?id=CVE-2026-89456)
- [NVD: CVE-2026-89456](https://nvd.nist.gov/vuln/detail/CVE-2026-89456)

### References from the CNA

- <https://git.kernel.org/stable/c/9e063165d3fe58db2a517717b830f17e82d03467>
- <https://git.kernel.org/stable/c/6b0954c8a259da1e4aa745989f82723947acfb46>
- <https://git.kernel.org/stable/c/d0a2f97d8c97134aa7f6a191940b7bab4bb42f5f>
- <https://git.kernel.org/stable/c/f735b9710f0c8fe72c1060103e865f4ae678190b>
- <https://git.kernel.org/stable/c/d6b8778b1b82aa3a8dbf8612080f635b834bd16b>
- <https://git.kernel.org/stable/c/ceafb262475ac6cb3a7d07b1102608be2b216b99>
- <https://git.kernel.org/stable/c/15ec03452c18e8d288e519837d21b308300d74b2>
- <https://git.kernel.org/stable/c/6fb5ba2e7e43173a3761e46f091070a8185efa14>

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-2026-89456>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89456/>. Everything for agents: <https://agentprime.io/llms.txt>.