# smb/client: validate new EOF for zero range

CVE record · `CVE-2026-98126`

- **Identifiers:** `CVE-2026-98126`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:36 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: `72c419d9b073628d3b5b0b2fc787b724f1a8c726 to before 5fbd8848f2e25c8163896ec52863df2305a3bb63` (git)
  - affected: `72c419d9b073628d3b5b0b2fc787b724f1a8c726 to before 3673f057b64abfa957e8ae84448db69369a5091a` (git)
  - affected: `72c419d9b073628d3b5b0b2fc787b724f1a8c726 to before 06a4f9049cb6dc319bceec2dc813ba89add8b828` (git)
  - affected: `72c419d9b073628d3b5b0b2fc787b724f1a8c726 to before f320ca20c273a26cd779bdb2b2e4b076a95c76f6` (git)
  - affected: `72c419d9b073628d3b5b0b2fc787b724f1a8c726 to before 88972e35750792e717af287dc71f42a03b5cbce4` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.1`
  - unaffected: `before 5.1` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.7 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:** 0.0012, the 2nd percentile, on 12 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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98126](https://www.cve.org/CVERecord?id=CVE-2026-98126)
- [NVD: CVE-2026-98126](https://nvd.nist.gov/vuln/detail/CVE-2026-98126)

### References from the CNA

- <https://git.kernel.org/stable/c/5fbd8848f2e25c8163896ec52863df2305a3bb63>
- <https://git.kernel.org/stable/c/3673f057b64abfa957e8ae84448db69369a5091a>
- <https://git.kernel.org/stable/c/06a4f9049cb6dc319bceec2dc813ba89add8b828>
- <https://git.kernel.org/stable/c/f320ca20c273a26cd779bdb2b2e4b076a95c76f6>
- <https://git.kernel.org/stable/c/88972e35750792e717af287dc71f42a03b5cbce4>

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-2026-98126>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98126/>. Everything for agents: <https://agentprime.io/llms.txt>.