# mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf()

CVE record · `CVE-2026-80822`

- **Identifiers:** `CVE-2026-80822`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 4 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:27 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: `e4b1d67e71419c4af581890ecea84b04920d4116 to before 364edaedf4125825781a12c84c77699780d52a16` (git)
  - affected: `e4b1d67e71419c4af581890ecea84b04920d4116 to before df5c9816986b2f4d754ef3aa65a92382e9b39c4a` (git)
  - affected: `e4b1d67e71419c4af581890ecea84b04920d4116 to before b233e7836d98d1790e71f5f3734a86409664f341` (git)
  - affected: `e4b1d67e71419c4af581890ecea84b04920d4116 to before b37c4d0a2fd90c0c31223acd37f763eb8953ed1a` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.14`
  - unaffected: `before 6.14` (semver)
  - unaffected: `6.18.47 to 6.18.*, inclusive` (semver)
  - unaffected: `7.1.11 to 7.1.*, inclusive` (semver)
  - unaffected: `7.2.1 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:** 0.0017, the 6th 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 4 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80822](https://www.cve.org/CVERecord?id=CVE-2026-80822)
- [NVD: CVE-2026-80822](https://nvd.nist.gov/vuln/detail/CVE-2026-80822)

### References from the CNA

- <https://git.kernel.org/stable/c/364edaedf4125825781a12c84c77699780d52a16>
- <https://git.kernel.org/stable/c/df5c9816986b2f4d754ef3aa65a92382e9b39c4a>
- <https://git.kernel.org/stable/c/b233e7836d98d1790e71f5f3734a86409664f341>
- <https://git.kernel.org/stable/c/b37c4d0a2fd90c0c31223acd37f763eb8953ed1a>

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-2026-80822>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-80822/>. Everything for agents: <https://agentprime.io/llms.txt>.