# smb: client: discard post-EOF pagecache when extending a file via clone range

CVE record · `CVE-2026-98685`

- **Identifiers:** `CVE-2026-98685`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 6 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:45 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: `c54fc3a4f375663f2361a9cbb2955fb4ef912879 to before 7beb2f2a58023b2ff28fd52bdb72bed74257ee04` (git)
  - affected: `c54fc3a4f375663f2361a9cbb2955fb4ef912879 to before 15bb9f1d3e967e328649e92a1451e60a0dc66118` (git)
  - affected: `c54fc3a4f375663f2361a9cbb2955fb4ef912879 to before 4721587f96cb8de8164f3fd203093a0875560999` (git)
  - affected: `358bd5f436d820bb758833050aae065b35d6986c` (git)
  - affected: `43801359c8971cc49b4a4db5015fba77fbd09c32` (git)
  - affected: `6.1.68 to before 6.2` (semver)
  - affected: `6.6.7 to before 6.7` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.7`
  - unaffected: `before 6.7` (semver)
  - unaffected: `6.18.61 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.10 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:** 0.0020, the 9th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 18 Oct 2026, 15:45 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-98685)
- 18 Oct 2026, 16:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-98685)

## Sources

- [CVE List: CVE-2026-98685](https://www.cve.org/CVERecord?id=CVE-2026-98685)
- [NVD: CVE-2026-98685](https://nvd.nist.gov/vuln/detail/CVE-2026-98685)

### References from the CNA

- <https://git.kernel.org/stable/c/7beb2f2a58023b2ff28fd52bdb72bed74257ee04>
- <https://git.kernel.org/stable/c/15bb9f1d3e967e328649e92a1451e60a0dc66118>
- <https://git.kernel.org/stable/c/4721587f96cb8de8164f3fd203093a0875560999>

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-2026-98685>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98685/>. Everything for agents: <https://agentprime.io/llms.txt>.