# SUNRPC: reject duplicate CREDS_VALUE options

CVE record · `CVE-2026-89539`

- **Identifiers:** `CVE-2026-89539`
- **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:** 30 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: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 6207d7df96b3a7f507f0bfc8842b3760ee2fb1f8` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 4904d61eb2e2bd484000725fd302b8f37b4fcf3a` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 64b9ef369a6f723294613cb129e5f62c35429df5` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 4b5ebb4f91a6152a0f7b1253f701197e5710d4da` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before f615b884310bf82d0014e3b5a92eb9aa88146685` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 7a1d0501cbb962beba23377035d667bf3c1726ee` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 9d94f046b23de0f77849ea69133063c949297e30` (git)
  - affected: `1d658336b05f8697d6445834f8867f8ad5e4f735 to before 2e4ce62385c1b8a887c5370af058ac7b52a8eaf9` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.10`
  - unaffected: `before 3.10` (semver)
  - unaffected: `5.10.273 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.224 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 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:** 0.0021, the 11th 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-2026-89539](https://www.cve.org/CVERecord?id=CVE-2026-89539)
- [NVD: CVE-2026-89539](https://nvd.nist.gov/vuln/detail/CVE-2026-89539)

### References from the CNA

- <https://git.kernel.org/stable/c/6207d7df96b3a7f507f0bfc8842b3760ee2fb1f8>
- <https://git.kernel.org/stable/c/4904d61eb2e2bd484000725fd302b8f37b4fcf3a>
- <https://git.kernel.org/stable/c/64b9ef369a6f723294613cb129e5f62c35429df5>
- <https://git.kernel.org/stable/c/4b5ebb4f91a6152a0f7b1253f701197e5710d4da>
- <https://git.kernel.org/stable/c/f615b884310bf82d0014e3b5a92eb9aa88146685>
- <https://git.kernel.org/stable/c/7a1d0501cbb962beba23377035d667bf3c1726ee>
- <https://git.kernel.org/stable/c/9d94f046b23de0f77849ea69133063c949297e30>
- <https://git.kernel.org/stable/c/2e4ce62385c1b8a887c5370af058ac7b52a8eaf9>

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-2026-89539>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89539/>. Everything for agents: <https://agentprime.io/llms.txt>.