# KEYS: Fix key_reject_and_link() race with keyring restriction

CVE record · `CVE-2026-99245`

- **Identifiers:** `CVE-2026-99245`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 3 Nov 2026
- **Updated:** 3 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 3 Nov 2026, 11:15 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: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before c7956ec99ad0e173720d95de9fa788bb077809f2` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 72f367417a6aee56821d0b0114cfd2b080008b63` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 19dfc37c9deefa69dc805d01d35d1f2fd7902e33` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 5787887eba0f0979a8c86d03a8e891395d5c24ad` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 01835d3a3709be508ae5209f806640336c48e395` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 6fc0c818b1cac66003e937c8a0d3bfb23fd3f130` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 23a9163cc40b4996ba1e20533b1210a1a0bee416` (git)
  - affected: `5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 0b157166e612b70f98a332b6c7be7eac6f8e9593` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.7`
  - unaffected: `before 4.7` (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:** 0.0022, the 12th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 3 Nov 2026, 11:15 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-99245)
- 3 Nov 2026, 11:27 UTC: First seen by agentprime
- 3 Nov 2026, 12:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-99245)

## Sources

- [CVE List: CVE-2026-99245](https://www.cve.org/CVERecord?id=CVE-2026-99245)
- [NVD: CVE-2026-99245](https://nvd.nist.gov/vuln/detail/CVE-2026-99245)

### References from the CNA

- <https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2>
- <https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f>
- <https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63>
- <https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33>
- <https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad>
- <https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395>
- <https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130>
- <https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416>
- <https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593>

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-2026-99245>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-99245/>. Everything for agents: <https://agentprime.io/llms.txt>.