# drm/i915: fix incorrect RCU teardown order

CVE record · `CVE-2026-98521`

- **Identifiers:** `CVE-2026-98521`
- **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, 15:17 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: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before 4d4ca84213327da1f84ef7af3946dea6b14c5d88` (git)
  - affected: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before c53db9cc245219af6b528ca022a17ebfa91d80ba` (git)
  - affected: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before b12e041aedcf9fa77c6002a49f07eb20d0521b86` (git)
  - affected: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before cc890d3f1b15bf6481dc7270fba0b4fbba572813` (git)
  - affected: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before 2dd0190e397ec6468095fd3e80e79276a7361449` (git)
  - affected: `912ff2ebd695c582ca4cebf833ad73a378a99f23 to before d2da6696e0c4e60414706e607029d0bb0330c67e` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.17`
  - unaffected: `before 5.17` (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:** 0.0022, the 11th 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-2026-98521](https://www.cve.org/CVERecord?id=CVE-2026-98521)
- [NVD: CVE-2026-98521](https://nvd.nist.gov/vuln/detail/CVE-2026-98521)

### References from the CNA

- <https://git.kernel.org/stable/c/4d4ca84213327da1f84ef7af3946dea6b14c5d88>
- <https://git.kernel.org/stable/c/c53db9cc245219af6b528ca022a17ebfa91d80ba>
- <https://git.kernel.org/stable/c/b12e041aedcf9fa77c6002a49f07eb20d0521b86>
- <https://git.kernel.org/stable/c/cc890d3f1b15bf6481dc7270fba0b4fbba572813>
- <https://git.kernel.org/stable/c/2dd0190e397ec6468095fd3e80e79276a7361449>
- <https://git.kernel.org/stable/c/d2da6696e0c4e60414706e607029d0bb0330c67e>

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-2026-98521>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98521/>. Everything for agents: <https://agentprime.io/llms.txt>.