# spi: Fix DMA mapping ownership on partial map failure

CVE record · `CVE-2026-90012`

- **Identifiers:** `CVE-2026-90012`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 16 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 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.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `e289df82344fecc104ad8326b9ab6da612b9c899 to before cc8354213ad6bd5fb8cc05a3fa3701188d086626` (git)
  - affected: `e289df82344fecc104ad8326b9ab6da612b9c899 to before a38051fa2ddedbc8ec15292c55e276880ec5b9a4` (git)
  - affected: `e289df82344fecc104ad8326b9ab6da612b9c899 to before 5def8b6aaad44603740786262b95b6f77df52a1c` (git)
  - affected: `e289df82344fecc104ad8326b9ab6da612b9c899 to before 367cea239fc93094e5c16a72724800e0358f5c46` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.11`
  - unaffected: `before 6.11` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.51 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.5 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

- 9.8 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0063, the 50th 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 16 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-90012](https://www.cve.org/CVERecord?id=CVE-2026-90012)
- [NVD: CVE-2026-90012](https://nvd.nist.gov/vuln/detail/CVE-2026-90012)

### References from the CNA

- <https://git.kernel.org/stable/c/cc8354213ad6bd5fb8cc05a3fa3701188d086626>
- <https://git.kernel.org/stable/c/a38051fa2ddedbc8ec15292c55e276880ec5b9a4>
- <https://git.kernel.org/stable/c/5def8b6aaad44603740786262b95b6f77df52a1c>
- <https://git.kernel.org/stable/c/367cea239fc93094e5c16a72724800e0358f5c46>

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-2026-90012>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90012/>. Everything for agents: <https://agentprime.io/llms.txt>.