# smb: client: close handle after create-context parsing failure

CVE record · `CVE-2026-98453`

- **Identifiers:** `CVE-2026-98453`
- **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:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 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: `13fb0fc4917621f3dfa285a27eaf7151d770b5e5 to before d4c05b5cb0a3132453e36a300d45de44bf6783c4` (git)
  - affected: `890bc4fac3c0973a49cac35f634579bebba7fe48 to before ee61f1dc516d97afa79908140d0a8c556c2fe90c` (git)
  - affected: `1ae3c59355dc9882e09c020afe8ffbd895ad0f29 to before 007b87f6a7c38959ed79cf7d3fd7b3b4eb5f67fd` (git)
  - affected: `17a0f64cc02d4972e21c733d9f21d1c512963afa to before eaa97a196a107d4ef8775df2248181624151812e` (git)
  - affected: `af1689a9b7701d9907dfc84d2a4b57c4bc907144 to before 80c67cc71d32ccafc89a29b669243b40d81b930f` (git)
  - affected: `af1689a9b7701d9907dfc84d2a4b57c4bc907144 to before f09875ff901e933e7b22c913daf51d21e9d93a45` (git)
  - affected: `af1689a9b7701d9907dfc84d2a4b57c4bc907144 to before cdb36b09fb1f86d638d0afb44d621ed3f7c1d8eb` (git)
  - affected: `af1689a9b7701d9907dfc84d2a4b57c4bc907144 to before 566820af017e81497fb5e9d3ad6e7ffe2828bc8b` (git)
  - affected: `6726429c18c62dbf5e96ebbd522f262e016553fb` (git)
  - affected: `5.10.211 to before 5.10.273` (semver)
  - affected: `5.15.150 to before 5.15.224` (semver)
  - affected: `6.1.79 to before 6.1.191` (semver)
  - and 2 more
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.7`
  - unaffected: `before 6.7` (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: `6.12.113 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.56 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0018, the 7th percentile, on 10 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98453](https://www.cve.org/CVERecord?id=CVE-2026-98453)
- [NVD: CVE-2026-98453](https://nvd.nist.gov/vuln/detail/CVE-2026-98453)

### References from the CNA

- <https://git.kernel.org/stable/c/d4c05b5cb0a3132453e36a300d45de44bf6783c4>
- <https://git.kernel.org/stable/c/ee61f1dc516d97afa79908140d0a8c556c2fe90c>
- <https://git.kernel.org/stable/c/007b87f6a7c38959ed79cf7d3fd7b3b4eb5f67fd>
- <https://git.kernel.org/stable/c/eaa97a196a107d4ef8775df2248181624151812e>
- <https://git.kernel.org/stable/c/80c67cc71d32ccafc89a29b669243b40d81b930f>
- <https://git.kernel.org/stable/c/f09875ff901e933e7b22c913daf51d21e9d93a45>
- <https://git.kernel.org/stable/c/cdb36b09fb1f86d638d0afb44d621ed3f7c1d8eb>
- <https://git.kernel.org/stable/c/566820af017e81497fb5e9d3ad6e7ffe2828bc8b>

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-2026-98453>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98453/>. Everything for agents: <https://agentprime.io/llms.txt>.