# rtc: pcf8563: fix clock provider leak on unbind

CVE record · `CVE-2026-90126`

- **Identifiers:** `CVE-2026-90126`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 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: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 2b5622cf4ee218b6f98d31dbf3fbd44b9b6bd675` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 36cb00c33bd83e7ce31b5a9f1f7c70db0cb7776c` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 30b7c63af50fe1464e7582a37de1ca4bd030ecc1` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 7afb8db47c4f107bce89cfe5115fb31ba7c94665` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 97edf3fd9a46ea89a167966991c0449cfa07b36f` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 08a59c28c2bdbcd655e99526c86a41dc83834283` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 6218c0533a72235ec9c5f41b812c63d963bd4a3e` (git)
  - affected: `a39a6405d5f949bc651694028a55d74c514ef1f9 to before 9c48a53685040bb0de45a640b34055cbbfc69d4f` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.4`
  - unaffected: `before 4.4` (semver)
  - unaffected: `5.10.270 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 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:** 0.0022, the 12th percentile, on 13 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90126](https://www.cve.org/CVERecord?id=CVE-2026-90126)
- [NVD: CVE-2026-90126](https://nvd.nist.gov/vuln/detail/CVE-2026-90126)

### References from the CNA

- <https://git.kernel.org/stable/c/2b5622cf4ee218b6f98d31dbf3fbd44b9b6bd675>
- <https://git.kernel.org/stable/c/36cb00c33bd83e7ce31b5a9f1f7c70db0cb7776c>
- <https://git.kernel.org/stable/c/30b7c63af50fe1464e7582a37de1ca4bd030ecc1>
- <https://git.kernel.org/stable/c/7afb8db47c4f107bce89cfe5115fb31ba7c94665>
- <https://git.kernel.org/stable/c/97edf3fd9a46ea89a167966991c0449cfa07b36f>
- <https://git.kernel.org/stable/c/08a59c28c2bdbcd655e99526c86a41dc83834283>
- <https://git.kernel.org/stable/c/6218c0533a72235ec9c5f41b812c63d963bd4a3e>
- <https://git.kernel.org/stable/c/9c48a53685040bb0de45a640b34055cbbfc69d4f>

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-2026-90126>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90126/>. Everything for agents: <https://agentprime.io/llms.txt>.