# clk: mediatek: pllfh: Fix IO remapping leak in register_pllfhs error path

CVE record · `CVE-2026-90422`

- **Identifiers:** `CVE-2026-90422`
- **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:** 21 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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: `d7964de8a8ea800910fdd4e365c42a9e7d5c54aa to before 6e3e93bc718c4fea556d7ca5fba07ab3511c9918` (git)
  - affected: `d7964de8a8ea800910fdd4e365c42a9e7d5c54aa to before 111235106099019b8a8d1947dc5c2674e0329ffa` (git)
  - affected: `d7964de8a8ea800910fdd4e365c42a9e7d5c54aa to before d35e45e5bad4fabcf122126402b6c6dcb4379672` (git)
  - affected: `d7964de8a8ea800910fdd4e365c42a9e7d5c54aa to before fea0b4fd891a2af77b55e05b950e7ea55b5d234e` (git)
  - affected: `d7964de8a8ea800910fdd4e365c42a9e7d5c54aa to before 540d91480bcb1b28a62d7023aa70947ea44c55b9` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.2`
  - unaffected: `before 6.2` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 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:** 0.0021, the 10th 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-2026-90422](https://www.cve.org/CVERecord?id=CVE-2026-90422)
- [NVD: CVE-2026-90422](https://nvd.nist.gov/vuln/detail/CVE-2026-90422)

### References from the CNA

- <https://git.kernel.org/stable/c/6e3e93bc718c4fea556d7ca5fba07ab3511c9918>
- <https://git.kernel.org/stable/c/111235106099019b8a8d1947dc5c2674e0329ffa>
- <https://git.kernel.org/stable/c/d35e45e5bad4fabcf122126402b6c6dcb4379672>
- <https://git.kernel.org/stable/c/fea0b4fd891a2af77b55e05b950e7ea55b5d234e>
- <https://git.kernel.org/stable/c/540d91480bcb1b28a62d7023aa70947ea44c55b9>

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-2026-90422>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90422/>. Everything for agents: <https://agentprime.io/llms.txt>.