# drm/nouveau/clk: fix list cursor use after loop in nvkm_clk_ustate_update

CVE record · `CVE-2026-98623`

- **Identifiers:** `CVE-2026-98623`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:19 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: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before db5dd9f47b4df1be322f498d846e9a82940a7390` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before 9d550924961f61a491dd95359c63494fa8a23d9f` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before 492e9cfa12f35f7946ea1b78a19f1f9337d62248` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before a867abcfa85ab487066c3d3008a1ba905da04113` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before 5315c7bacfe274ddfe649d9556e9a341ffa812da` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before 0d096a7f7d79207490858dde731b16da5337e90c` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before 391517da7fd54ae40e4a7fe1cc696217343b0061` (git)
  - affected: `7c856522069755ab9d163a24ac332cd3cb35fe30 to before aff09d9e37e02dc60bde79035ac15b136d602259` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.13`
  - unaffected: `before 3.13` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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:** 0.0018, the 7th percentile, on 8 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98623](https://www.cve.org/CVERecord?id=CVE-2026-98623)
- [NVD: CVE-2026-98623](https://nvd.nist.gov/vuln/detail/CVE-2026-98623)

### References from the CNA

- <https://git.kernel.org/stable/c/db5dd9f47b4df1be322f498d846e9a82940a7390>
- <https://git.kernel.org/stable/c/9d550924961f61a491dd95359c63494fa8a23d9f>
- <https://git.kernel.org/stable/c/492e9cfa12f35f7946ea1b78a19f1f9337d62248>
- <https://git.kernel.org/stable/c/a867abcfa85ab487066c3d3008a1ba905da04113>
- <https://git.kernel.org/stable/c/5315c7bacfe274ddfe649d9556e9a341ffa812da>
- <https://git.kernel.org/stable/c/0d096a7f7d79207490858dde731b16da5337e90c>
- <https://git.kernel.org/stable/c/391517da7fd54ae40e4a7fe1cc696217343b0061>
- <https://git.kernel.org/stable/c/aff09d9e37e02dc60bde79035ac15b136d602259>

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-2026-98623>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98623/>. Everything for agents: <https://agentprime.io/llms.txt>.