# wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash

CVE record · `CVE-2026-90379`

- **Identifiers:** `CVE-2026-90379`
- **State:** Confirmed
- **Severity:** CVSS 8.8 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: `17f1de56df051229988aab37e01971c9713c4a31 to before 670b3dc4e3713542a9f002d38fb9d1740b9e342b` (git)
  - affected: `17f1de56df051229988aab37e01971c9713c4a31 to before f544bcba4721e1074e9bc6666f0ef4f8b96ddba8` (git)
  - affected: `17f1de56df051229988aab37e01971c9713c4a31 to before 915672c5ae32deeb72f4572856d123f314791136` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.16`
  - unaffected: `before 4.16` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0037, the 31st 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-2026-90379](https://www.cve.org/CVERecord?id=CVE-2026-90379)
- [NVD: CVE-2026-90379](https://nvd.nist.gov/vuln/detail/CVE-2026-90379)

### References from the CNA

- <https://git.kernel.org/stable/c/670b3dc4e3713542a9f002d38fb9d1740b9e342b>
- <https://git.kernel.org/stable/c/f544bcba4721e1074e9bc6666f0ef4f8b96ddba8>
- <https://git.kernel.org/stable/c/915672c5ae32deeb72f4572856d123f314791136>

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-2026-90379>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90379/>. Everything for agents: <https://agentprime.io/llms.txt>.