# gpio: cdev: fix kernel stack leak to user-space in error path

CVE record · `CVE-2026-98528`

- **Identifiers:** `CVE-2026-98528`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:17 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: `d83cee3d2bb131c7fca7e19f1e33dc7530fd7083 to before 8460ee5216ab9a38263b01dca4b0a27e083f70f3` (git)
  - affected: `d83cee3d2bb131c7fca7e19f1e33dc7530fd7083 to before cf3d043582e106a0e57002bec8a6de8929ba3e1c` (git)
  - affected: `d83cee3d2bb131c7fca7e19f1e33dc7530fd7083 to before 60a466f231905cd96ae6f0f3c44a710c97873dac` (git)
  - affected: `d83cee3d2bb131c7fca7e19f1e33dc7530fd7083 to before 1feb5d39b05afd902ed9fc902ec5b15be03a4bdb` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.9`
  - unaffected: `before 6.9` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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 11th percentile, on 9 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98528](https://www.cve.org/CVERecord?id=CVE-2026-98528)
- [NVD: CVE-2026-98528](https://nvd.nist.gov/vuln/detail/CVE-2026-98528)

### References from the CNA

- <https://git.kernel.org/stable/c/8460ee5216ab9a38263b01dca4b0a27e083f70f3>
- <https://git.kernel.org/stable/c/cf3d043582e106a0e57002bec8a6de8929ba3e1c>
- <https://git.kernel.org/stable/c/60a466f231905cd96ae6f0f3c44a710c97873dac>
- <https://git.kernel.org/stable/c/1feb5d39b05afd902ed9fc902ec5b15be03a4bdb>

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-2026-98528>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98528/>. Everything for agents: <https://agentprime.io/llms.txt>.