# iommu/dma: Check atomic pool allocation result directly

CVE record · `CVE-2026-90388`

- **Identifiers:** `CVE-2026-90388`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **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, 16:09 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: `9420139f516d7fbc248ce17f35275cb005ed98ea to before ac9cd0a669b8be5d178dbd471b0d68039dac58b5` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before db46cb9da83a507d86d2bb080bdb09c865da3d0a` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before d56c3f955b21e5764c1497e295a5b5d0b3a40470` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before 06dffc96693083dda3412311406e558cf27f1574` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before a4ace31d732b657d774e31fb444c0c27d42c78e5` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before fb0b39287ba894dbdfac2901c51788b63f5c2291` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before 8c486293ddd0af60991408149fc3e964ea888dc4` (git)
  - affected: `9420139f516d7fbc248ce17f35275cb005ed98ea to before af95a0ebc0a0db0762be75f51eadf770bad01aaa` (git)
  - affected: `47184b9ddf184cc9a77cf441943a0fe9b7afa575` (git)
  - affected: `5.8.6 to before 5.9` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.9`
  - unaffected: `before 5.9` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0017, the 6th 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-2026-90388](https://www.cve.org/CVERecord?id=CVE-2026-90388)
- [NVD: CVE-2026-90388](https://nvd.nist.gov/vuln/detail/CVE-2026-90388)

### References from the CNA

- <https://git.kernel.org/stable/c/ac9cd0a669b8be5d178dbd471b0d68039dac58b5>
- <https://git.kernel.org/stable/c/db46cb9da83a507d86d2bb080bdb09c865da3d0a>
- <https://git.kernel.org/stable/c/d56c3f955b21e5764c1497e295a5b5d0b3a40470>
- <https://git.kernel.org/stable/c/06dffc96693083dda3412311406e558cf27f1574>
- <https://git.kernel.org/stable/c/a4ace31d732b657d774e31fb444c0c27d42c78e5>
- <https://git.kernel.org/stable/c/fb0b39287ba894dbdfac2901c51788b63f5c2291>
- <https://git.kernel.org/stable/c/8c486293ddd0af60991408149fc3e964ea888dc4>
- <https://git.kernel.org/stable/c/af95a0ebc0a0db0762be75f51eadf770bad01aaa>

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-2026-90388>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90388/>. Everything for agents: <https://agentprime.io/llms.txt>.