# namespace: check the mounts before reading their parents in pivot_root()

CVE record · `CVE-2026-98985`

- **Identifiers:** `CVE-2026-98985`
- **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:** 30 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: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 43fd2e2ec66e6db26b6ea3e9e7a4c1018455e1b0` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 5b5f8d0895cfa9f781ce107225d578897203444f` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 3184a2fda996af8fcd6def36020ec023c6279015` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before a56d4f8f8f4c5d9ac339d5c03a9d90eecd3697fc` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 3c2441e21c3df867e4131e0ff784ecdb3a7a55f8` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before e3aba6900483f64e6c9eb328150dd633b7d36c1c` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 3dad2330c89343ba083cf7868779083fd5fbe0fe` (git)
  - affected: `e0c9c0afd2fc958ffa34b697972721d81df8a56f to before 6b7c001eb5857fa09041f47673666060a2e5fc1c` (git)
  - affected: `84b78514033ff22c443473214ab6d0508394cf7a` (git)
  - affected: `4.0.2 to before 4.1` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.1`
  - unaffected: `before 4.1` (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: `6.12.114 to 6.12.*, inclusive` (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:** 0.0018, the 7th 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-2026-98985](https://www.cve.org/CVERecord?id=CVE-2026-98985)
- [NVD: CVE-2026-98985](https://nvd.nist.gov/vuln/detail/CVE-2026-98985)

### References from the CNA

- <https://git.kernel.org/stable/c/43fd2e2ec66e6db26b6ea3e9e7a4c1018455e1b0>
- <https://git.kernel.org/stable/c/5b5f8d0895cfa9f781ce107225d578897203444f>
- <https://git.kernel.org/stable/c/3184a2fda996af8fcd6def36020ec023c6279015>
- <https://git.kernel.org/stable/c/a56d4f8f8f4c5d9ac339d5c03a9d90eecd3697fc>
- <https://git.kernel.org/stable/c/3c2441e21c3df867e4131e0ff784ecdb3a7a55f8>
- <https://git.kernel.org/stable/c/e3aba6900483f64e6c9eb328150dd633b7d36c1c>
- <https://git.kernel.org/stable/c/3dad2330c89343ba083cf7868779083fd5fbe0fe>
- <https://git.kernel.org/stable/c/6b7c001eb5857fa09041f47673666060a2e5fc1c>

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-2026-98985>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98985/>. Everything for agents: <https://agentprime.io/llms.txt>.