# KEYS: encrypted: fix integer overflow of datablob_len

CVE record · `CVE-2026-98222`

- **Identifiers:** `CVE-2026-98222`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:44 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: `7e70cb4978507cf31d76b90e4cfb4c28cad87f0c to before 1e720f63dbafc093a8f5d519f05b67724993edd4` (git)
  - affected: `7e70cb4978507cf31d76b90e4cfb4c28cad87f0c to before a1a98eca102b1cbbc37ff9eaa197ae4e6a3ea4b0` (git)
  - affected: `7e70cb4978507cf31d76b90e4cfb4c28cad87f0c to before cca38f2102a4cd35eda8d48950df4817b4b24757` (git)
  - affected: `7e70cb4978507cf31d76b90e4cfb4c28cad87f0c to before 8697c431e297eb0d0ab13dda6bc172b48a34f05c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.38`
  - unaffected: `before 2.6.38` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98222](https://www.cve.org/CVERecord?id=CVE-2026-98222)
- [NVD: CVE-2026-98222](https://nvd.nist.gov/vuln/detail/CVE-2026-98222)

### References from the CNA

- <https://git.kernel.org/stable/c/1e720f63dbafc093a8f5d519f05b67724993edd4>
- <https://git.kernel.org/stable/c/a1a98eca102b1cbbc37ff9eaa197ae4e6a3ea4b0>
- <https://git.kernel.org/stable/c/cca38f2102a4cd35eda8d48950df4817b4b24757>
- <https://git.kernel.org/stable/c/8697c431e297eb0d0ab13dda6bc172b48a34f05c>

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-2026-98222>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98222/>. Everything for agents: <https://agentprime.io/llms.txt>.