# octeontx2-af: fix NULL deref in NIX TM tree debugfs read path

CVE record · `CVE-2026-90085`

- **Identifiers:** `CVE-2026-90085`
- **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, 16:06 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: `b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 to before fb736d733b0a60377cf53010571c261886446fd5` (git)
  - affected: `b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 to before 537e11a1700f64dc6754108f0e1333ad63d4f548` (git)
  - affected: `b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 to before fdf7358e2688f12eff41290bc45030b7aff0845e` (git)
  - affected: `b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 to before ec65631bd5ec251cdf67a4919fac7a3149a6e235` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.11`
  - unaffected: `before 6.11` (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 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-2026-90085](https://www.cve.org/CVERecord?id=CVE-2026-90085)
- [NVD: CVE-2026-90085](https://nvd.nist.gov/vuln/detail/CVE-2026-90085)

### References from the CNA

- <https://git.kernel.org/stable/c/fb736d733b0a60377cf53010571c261886446fd5>
- <https://git.kernel.org/stable/c/537e11a1700f64dc6754108f0e1333ad63d4f548>
- <https://git.kernel.org/stable/c/fdf7358e2688f12eff41290bc45030b7aff0845e>
- <https://git.kernel.org/stable/c/ec65631bd5ec251cdf67a4919fac7a3149a6e235>

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-2026-90085>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-90085/>. Everything for agents: <https://agentprime.io/llms.txt>.