# smb: client: pin DFS superblock in iterator callback

CVE record · `CVE-2026-97562`

- **Identifiers:** `CVE-2026-97562`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:21 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: `bacd704a95ad0b93af995aae4a523aa046f46563 to before 3c9acc9835c304013a4faeb969fe9333d66ca9f8` (git)
  - affected: `bacd704a95ad0b93af995aae4a523aa046f46563 to before ea43a15cea36dc5ddd832be5bddeac7dd804cbcf` (git)
  - affected: `bacd704a95ad0b93af995aae4a523aa046f46563 to before a6b6561522212af852c9ad8a7dca8d59ef2c7377` (git)
  - affected: `bacd704a95ad0b93af995aae4a523aa046f46563 to before 5b01a8c0209690db75341528ec53fd87e0ac1460` (git)
  - affected: `bacd704a95ad0b93af995aae4a523aa046f46563 to before d806d5a85dcbe2a0f181b2f0f9f61ddfbefa1818` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.7`
  - unaffected: `before 5.7` (semver)
  - unaffected: `6.6.158 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

- 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:** 0.0041, the 36th 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-2026-97562](https://www.cve.org/CVERecord?id=CVE-2026-97562)
- [NVD: CVE-2026-97562](https://nvd.nist.gov/vuln/detail/CVE-2026-97562)

### References from the CNA

- <https://git.kernel.org/stable/c/3c9acc9835c304013a4faeb969fe9333d66ca9f8>
- <https://git.kernel.org/stable/c/ea43a15cea36dc5ddd832be5bddeac7dd804cbcf>
- <https://git.kernel.org/stable/c/a6b6561522212af852c9ad8a7dca8d59ef2c7377>
- <https://git.kernel.org/stable/c/5b01a8c0209690db75341528ec53fd87e0ac1460>
- <https://git.kernel.org/stable/c/d806d5a85dcbe2a0f181b2f0f9f61ddfbefa1818>

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-2026-97562>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97562/>. Everything for agents: <https://agentprime.io/llms.txt>.