# smb: client: fix OOB struct field reads in move_smb2_ea_to_cifs()

CVE record · `CVE-2026-98170`

- **Identifiers:** `CVE-2026-98170`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 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: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 22886b1b7464613373c9a7d0af2ace029c50cd97` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 9d707a278c100c26d10fbbbd03988778ffc992ce` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 90a13af4c9b1369327395bababfe87c75599cc19` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 61812323c037a94e2e7f0db7ee740c34b126bffe` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before d3546cecbf81d98bf3b472d341f981eb48c04f47` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 34a3942e787b9c59758115bd65fe1ec89d68c7a4` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before 13efcd37a9b3d6ffa1579c3dda3e29c893ed9bca` (git)
  - affected: `95907fea4fd8ccc736e0a428e52159b4d42b9958 to before eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.14`
  - unaffected: `before 4.14` (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: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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 11 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98170](https://www.cve.org/CVERecord?id=CVE-2026-98170)
- [NVD: CVE-2026-98170](https://nvd.nist.gov/vuln/detail/CVE-2026-98170)

### References from the CNA

- <https://git.kernel.org/stable/c/22886b1b7464613373c9a7d0af2ace029c50cd97>
- <https://git.kernel.org/stable/c/9d707a278c100c26d10fbbbd03988778ffc992ce>
- <https://git.kernel.org/stable/c/90a13af4c9b1369327395bababfe87c75599cc19>
- <https://git.kernel.org/stable/c/61812323c037a94e2e7f0db7ee740c34b126bffe>
- <https://git.kernel.org/stable/c/d3546cecbf81d98bf3b472d341f981eb48c04f47>
- <https://git.kernel.org/stable/c/34a3942e787b9c59758115bd65fe1ec89d68c7a4>
- <https://git.kernel.org/stable/c/13efcd37a9b3d6ffa1579c3dda3e29c893ed9bca>
- <https://git.kernel.org/stable/c/eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb>

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-2026-98170>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98170/>. Everything for agents: <https://agentprime.io/llms.txt>.