# firmware: arm_scmi: Unwind TX receiver mailbox setup failure

CVE record · `CVE-2026-93083`

- **Identifiers:** `CVE-2026-93083`
- **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:** 21 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: `9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1 to before d4cf99c7ea95accde58df34bc8636bbebb3066c2` (git)
  - affected: `9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1 to before babb017cf5e4600c94c23ea87175a0380235a3ee` (git)
  - affected: `9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1 to before 717b8e972a667fc1bebe63cbcf0d58e692cbb491` (git)
  - affected: `9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1 to before 9958f55eace8b43713c9fc54dcf90e7cdefee413` (git)
  - affected: `9f68ff79ec2cb303f360a35eef5dd8f1f0f817e1 to before 6f7c06744d53dc8e047725d411d7f915d9ec35ae` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.4`
  - unaffected: `before 6.4` (semver)
  - unaffected: `6.6.160 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:** 0.0021, the 11th 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-2026-93083](https://www.cve.org/CVERecord?id=CVE-2026-93083)
- [NVD: CVE-2026-93083](https://nvd.nist.gov/vuln/detail/CVE-2026-93083)

### References from the CNA

- <https://git.kernel.org/stable/c/d4cf99c7ea95accde58df34bc8636bbebb3066c2>
- <https://git.kernel.org/stable/c/babb017cf5e4600c94c23ea87175a0380235a3ee>
- <https://git.kernel.org/stable/c/717b8e972a667fc1bebe63cbcf0d58e692cbb491>
- <https://git.kernel.org/stable/c/9958f55eace8b43713c9fc54dcf90e7cdefee413>
- <https://git.kernel.org/stable/c/6f7c06744d53dc8e047725d411d7f915d9ec35ae>

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-2026-93083>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93083/>. Everything for agents: <https://agentprime.io/llms.txt>.