# smb: client: fix rlist race and missing initialization

CVE record · `CVE-2026-98174`

- **Identifiers:** `CVE-2026-98174`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before b5f924ffbfa976e4b97f17e8132c595b97482c2d` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5a8f82f9c5839389cf4036029dd75a9911049e83` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 04082b1833856cb9ed87e0d3d5f04cbf836cf7da` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c037d6bde3dd5fa00b017b6b98a5389ec0ebc02f` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5f270f091256da1338c3631083e15d7f83cc05e1` (git)
  - affected: `before 6.6.158` (semver)
  - affected: `before 6.12.112` (semver)
  - affected: `before 6.18.54` (semver)
  - affected: `before 7.2.8` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - unaffected: `6.6.158 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0033, the 26th 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-2026-98174](https://www.cve.org/CVERecord?id=CVE-2026-98174)
- [NVD: CVE-2026-98174](https://nvd.nist.gov/vuln/detail/CVE-2026-98174)

### References from the CNA

- <https://git.kernel.org/stable/c/b5f924ffbfa976e4b97f17e8132c595b97482c2d>
- <https://git.kernel.org/stable/c/5a8f82f9c5839389cf4036029dd75a9911049e83>
- <https://git.kernel.org/stable/c/04082b1833856cb9ed87e0d3d5f04cbf836cf7da>
- <https://git.kernel.org/stable/c/c037d6bde3dd5fa00b017b6b98a5389ec0ebc02f>
- <https://git.kernel.org/stable/c/5f270f091256da1338c3631083e15d7f83cc05e1>

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-2026-98174>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98174/>. Everything for agents: <https://agentprime.io/llms.txt>.