# nfsd: fix XDR padding calculation in ff_encode_getdeviceinfo

CVE record · `CVE-2026-89673`

- **Identifiers:** `CVE-2026-89673`
- **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:** 24 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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: `3f1a2b0b2d575f39ff0bedb5411822fe7446a805 to before 356decf074b82bac5564568203c12426dcea3470` (git)
  - affected: `19a648a07572c70fbe16faf0fafaf3dce9fd998a to before 15460c8e6c9bc92cda8f68bc419ac082300ab3d6` (git)
  - affected: `6d08bd22fa2941a4d5ef45ed115dd00e484a93d7 to before 9be67a6be48ddf2ebaa98c0df671690b8f9666e7` (git)
  - affected: `6372e2ee629894433fe6107d7048536a3280a284 to before 88bce7e326c368d7df15126ccac537e54bebd467` (git)
  - affected: `6372e2ee629894433fe6107d7048536a3280a284 to before 74015b7be806ad9e21d46f7bd2831df280c6c783` (git)
  - affected: `6372e2ee629894433fe6107d7048536a3280a284 to before 41ebca28e17f84293650598f86bd69532ec1a8e0` (git)
  - affected: `6372e2ee629894433fe6107d7048536a3280a284 to before 62e5949f0dd5ec837af144860ff908369df4c7c9` (git)
  - affected: `6372e2ee629894433fe6107d7048536a3280a284 to before 8b989aaec85e1293a871d602590c951fe44b8647` (git)
  - affected: `82e36f0c287769a0430268739a71dbd56df0e679` (git)
  - affected: `6370e66a71c4869247f8f406c2a8b2c43df8998f` (git)
  - affected: `16282aeca44bfac0d1ac3be6cd1a719d6ff3d749` (git)
  - affected: `efcae97fa425ca6db9d126e37daccf2d7225cb09` (git)
  - and 9 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.6`
  - unaffected: `before 6.6` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0022, the 12th 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-2026-89673](https://www.cve.org/CVERecord?id=CVE-2026-89673)
- [NVD: CVE-2026-89673](https://nvd.nist.gov/vuln/detail/CVE-2026-89673)

### References from the CNA

- <https://git.kernel.org/stable/c/356decf074b82bac5564568203c12426dcea3470>
- <https://git.kernel.org/stable/c/15460c8e6c9bc92cda8f68bc419ac082300ab3d6>
- <https://git.kernel.org/stable/c/9be67a6be48ddf2ebaa98c0df671690b8f9666e7>
- <https://git.kernel.org/stable/c/88bce7e326c368d7df15126ccac537e54bebd467>
- <https://git.kernel.org/stable/c/74015b7be806ad9e21d46f7bd2831df280c6c783>
- <https://git.kernel.org/stable/c/41ebca28e17f84293650598f86bd69532ec1a8e0>
- <https://git.kernel.org/stable/c/62e5949f0dd5ec837af144860ff908369df4c7c9>
- <https://git.kernel.org/stable/c/8b989aaec85e1293a871d602590c951fe44b8647>

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-2026-89673>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89673/>. Everything for agents: <https://agentprime.io/llms.txt>.