# svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id

CVE record · `CVE-2026-89535`

- **Identifiers:** `CVE-2026-89535`
- **State:** Confirmed
- **Severity:** CVSS 8.1 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, 19:44 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: `c4de97f7c45434985e5dbf2d6ccc9eca676e37fe to before fcd4a752ac840d39356f4d2a424d3aca4e39716b` (git)
  - affected: `c4de97f7c45434985e5dbf2d6ccc9eca676e37fe to before 9f2f5d0999364c7070306cd422d8babc2621070d` (git)
  - affected: `c4de97f7c45434985e5dbf2d6ccc9eca676e37fe to before cfca6eb3345ba4a23cf9a1153ad09bf19faabfc9` (git)
  - affected: `c4de97f7c45434985e5dbf2d6ccc9eca676e37fe to before 4488e912973773d64368828acf3b8e39d93650ae` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.12`
  - unaffected: `before 6.12` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0054, the 45th 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-2026-89535](https://www.cve.org/CVERecord?id=CVE-2026-89535)
- [NVD: CVE-2026-89535](https://nvd.nist.gov/vuln/detail/CVE-2026-89535)

### References from the CNA

- <https://git.kernel.org/stable/c/fcd4a752ac840d39356f4d2a424d3aca4e39716b>
- <https://git.kernel.org/stable/c/9f2f5d0999364c7070306cd422d8babc2621070d>
- <https://git.kernel.org/stable/c/cfca6eb3345ba4a23cf9a1153ad09bf19faabfc9>
- <https://git.kernel.org/stable/c/4488e912973773d64368828acf3b8e39d93650ae>

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-2026-89535>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89535/>. Everything for agents: <https://agentprime.io/llms.txt>.