# cxl/mbox: Break poison list loop on an empty payload

CVE record · `CVE-2026-93097`

- **Identifiers:** `CVE-2026-93097`
- **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:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:11 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: `ed83f7ca398b3798b82c1d5d1113011c0e5a2198 to before 86771c105293ca26bfcc320b4f60d32c137b54aa` (git)
  - affected: `ed83f7ca398b3798b82c1d5d1113011c0e5a2198 to before 42eab80981f4d2ac820e253e80ecf92f8cd91f69` (git)
  - affected: `ed83f7ca398b3798b82c1d5d1113011c0e5a2198 to before 6ad491cef1a812cf7b53aa769cd8869516c47362` (git)
  - affected: `ed83f7ca398b3798b82c1d5d1113011c0e5a2198 to before e77594e0cea67ab1c2317a27aa77a744e26ad6a6` (git)
  - affected: `ed83f7ca398b3798b82c1d5d1113011c0e5a2198 to before 8b301c4afbce4bc3f94528441d8d5ce1366504ad` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.4`
  - unaffected: `before 6.4` (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

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 9th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93097](https://www.cve.org/CVERecord?id=CVE-2026-93097)
- [NVD: CVE-2026-93097](https://nvd.nist.gov/vuln/detail/CVE-2026-93097)

### References from the CNA

- <https://git.kernel.org/stable/c/86771c105293ca26bfcc320b4f60d32c137b54aa>
- <https://git.kernel.org/stable/c/42eab80981f4d2ac820e253e80ecf92f8cd91f69>
- <https://git.kernel.org/stable/c/6ad491cef1a812cf7b53aa769cd8869516c47362>
- <https://git.kernel.org/stable/c/e77594e0cea67ab1c2317a27aa77a744e26ad6a6>
- <https://git.kernel.org/stable/c/8b301c4afbce4bc3f94528441d8d5ce1366504ad>

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-2026-93097>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93097/>. Everything for agents: <https://agentprime.io/llms.txt>.