# iommufd: Release current IOAS on xa_store() failure

CVE record · `CVE-2026-89446`

- **Identifiers:** `CVE-2026-89446`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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: `051ae5aa73d782a8be2699a11e17c68f28b4e758 to before 4c33d00ad9a911e87ea222986f732ce072e3aa26` (git)
  - affected: `051ae5aa73d782a8be2699a11e17c68f28b4e758 to before 07b4fe1367f076886c1c47a19c70936138325087` (git)
  - affected: `051ae5aa73d782a8be2699a11e17c68f28b4e758 to before 4ac2ce123824d5f885c868fa1f9f4d463141a2ba` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.13`
  - unaffected: `before 6.13` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89446](https://www.cve.org/CVERecord?id=CVE-2026-89446)
- [NVD: CVE-2026-89446](https://nvd.nist.gov/vuln/detail/CVE-2026-89446)

### References from the CNA

- <https://git.kernel.org/stable/c/4c33d00ad9a911e87ea222986f732ce072e3aa26>
- <https://git.kernel.org/stable/c/07b4fe1367f076886c1c47a19c70936138325087>
- <https://git.kernel.org/stable/c/4ac2ce123824d5f885c868fa1f9f4d463141a2ba>

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-2026-89446>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89446/>. Everything for agents: <https://agentprime.io/llms.txt>.