# keys: make keyring indexes independent of kernel addresses

CVE record · `CVE-2026-99223`

- **Identifiers:** `CVE-2026-99223`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 2 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 2 Nov 2026, 16:06 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: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 9ebe824d55983c9f063a2c9ef1a08b29812d406f` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before e108b22999edbc6f431466baf6b2016c19b7ed31` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 9f084ef0beb68091e96ab96f0e95579aac8a77f9` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 8451d4a4c43127c3b9fdf9fc9ff3fea5539a61f9` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 13fc051269d670810d9e314061b61c6dd06116a0` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 61ac0585d9f4344d3dfb84b5edff1fee7d532897` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before 84f7c699f8d139f743c7dc11ef41d085690955bb` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before a113eba06bd1183c614d7994864d6e7054140cb9` (git)
  - affected: `b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 to before de891c73c1cf41ac8de12c07fa2c84d6a912ad0c` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.13`
  - unaffected: `before 3.13` (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: `6.6.161 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.115 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.60 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.14 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3.1 to 7.3.*, inclusive` (semver)
  - unaffected: `7.4-rc1 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 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 2 Nov 2026, 16:06 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99223)
- 2 Nov 2026, 16:12 UTC: First seen by agentprime
- 2 Nov 2026, 16:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99223)

## Sources

- [CVE List: CVE-2026-99223](https://www.cve.org/CVERecord?id=CVE-2026-99223)
- [NVD: CVE-2026-99223](https://nvd.nist.gov/vuln/detail/CVE-2026-99223)

### References from the CNA

- <https://git.kernel.org/stable/c/9ebe824d55983c9f063a2c9ef1a08b29812d406f>
- <https://git.kernel.org/stable/c/e108b22999edbc6f431466baf6b2016c19b7ed31>
- <https://git.kernel.org/stable/c/9f084ef0beb68091e96ab96f0e95579aac8a77f9>
- <https://git.kernel.org/stable/c/8451d4a4c43127c3b9fdf9fc9ff3fea5539a61f9>
- <https://git.kernel.org/stable/c/13fc051269d670810d9e314061b61c6dd06116a0>
- <https://git.kernel.org/stable/c/61ac0585d9f4344d3dfb84b5edff1fee7d532897>
- <https://git.kernel.org/stable/c/84f7c699f8d139f743c7dc11ef41d085690955bb>
- <https://git.kernel.org/stable/c/a113eba06bd1183c614d7994864d6e7054140cb9>
- <https://git.kernel.org/stable/c/de891c73c1cf41ac8de12c07fa2c84d6a912ad0c>

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-2026-99223>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99223/>. Everything for agents: <https://agentprime.io/llms.txt>.