# autofs: fix sbi->pipe file reference leak in autofs_kill_sb()

CVE record · `CVE-2026-98553`

- **Identifiers:** `CVE-2026-98553`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:18 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: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before 3684e2273ba94553af3c5195a46a50214a1a96e3` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before 0662b1ff9b383d5a233d344e4dc518c27a17f7b8` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before 34fa4c1c6e10507dc60e35a82cc9655666946cfd` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before a58593b501b7be5ad2bc5181bfa8cd4599be257c` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before f1c57f5b16bbc3571bd479c290996c4d4e1fb931` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before 4bcb371019097d0e357f097902587401c509bbc9` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6` (git)
  - affected: `ebc921ca9b92a3cf304d99bd7b7f373ec78c7ed7 to before aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.18`
  - unaffected: `before 4.18` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 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:** 0.0022, the 12th percentile, on 8 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-2026-98553](https://www.cve.org/CVERecord?id=CVE-2026-98553)
- [NVD: CVE-2026-98553](https://nvd.nist.gov/vuln/detail/CVE-2026-98553)

### References from the CNA

- <https://git.kernel.org/stable/c/3684e2273ba94553af3c5195a46a50214a1a96e3>
- <https://git.kernel.org/stable/c/0662b1ff9b383d5a233d344e4dc518c27a17f7b8>
- <https://git.kernel.org/stable/c/34fa4c1c6e10507dc60e35a82cc9655666946cfd>
- <https://git.kernel.org/stable/c/a58593b501b7be5ad2bc5181bfa8cd4599be257c>
- <https://git.kernel.org/stable/c/f1c57f5b16bbc3571bd479c290996c4d4e1fb931>
- <https://git.kernel.org/stable/c/4bcb371019097d0e357f097902587401c509bbc9>
- <https://git.kernel.org/stable/c/fc4fd0281ac80b5a3c5a2330f688f0f9d2a420b6>
- <https://git.kernel.org/stable/c/aa5e44b29ffe4eaa08cc2237fd65bc2596bc023e>

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-2026-98553>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98553/>. Everything for agents: <https://agentprime.io/llms.txt>.