# namespace: remove the fsnotify marks of a mount namespace in process context

CVE record · `CVE-2026-98986`

- **Identifiers:** `CVE-2026-98986`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 23 Oct 2026
- **Updated:** 23 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:20 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: `bf630c40164162ba1d3933c2f5e3397d083e0948 to before 888363d74c3b5d32e2accf217add70f8b38e0e2b` (git)
  - affected: `bf630c40164162ba1d3933c2f5e3397d083e0948 to before 9e820a6becdd955a04adbedfd767253a47eedd9e` (git)
  - affected: `bf630c40164162ba1d3933c2f5e3397d083e0948 to before 1a116222acdcc1bc1a8350727ae6f28907d44594` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.18.57 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.11 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:** 0.0017, the 6th percentile, on 7 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 23 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98986](https://www.cve.org/CVERecord?id=CVE-2026-98986)
- [NVD: CVE-2026-98986](https://nvd.nist.gov/vuln/detail/CVE-2026-98986)

### References from the CNA

- <https://git.kernel.org/stable/c/888363d74c3b5d32e2accf217add70f8b38e0e2b>
- <https://git.kernel.org/stable/c/9e820a6becdd955a04adbedfd767253a47eedd9e>
- <https://git.kernel.org/stable/c/1a116222acdcc1bc1a8350727ae6f28907d44594>

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-2026-98986>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98986/>. Everything for agents: <https://agentprime.io/llms.txt>.