# serial: 8250: fix possible ISR soft lockup

CVE record · `CVE-2026-97481`

- **Identifiers:** `CVE-2026-97481`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 24 Sept 2026
- **Updated:** 3 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:04 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: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4bce4a6f6318035d77d6b6199527b1950bb015f4` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8b67af8cd90542b2607623e3282811849e191b79` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 95d0b40c0623fd2b58c753f8dd6adda7263e3cd1` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 03ed804a0ddc3d069faf94c47f9e702afe5ca084` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2881b2e6da02daea1eb8254247ba8fd20c9d3348` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4295c58990b7a84e8349a2226db692e252825b60` (git)
  - affected: `1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0c6bf45e5a345cc3b9ffbeaf9083ecac3c2293eb` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.12`
  - unaffected: `before 2.6.12` (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: `6.12.111 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.53 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2 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 12 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97481](https://www.cve.org/CVERecord?id=CVE-2026-97481)
- [NVD: CVE-2026-97481](https://nvd.nist.gov/vuln/detail/CVE-2026-97481)

### References from the CNA

- <https://git.kernel.org/stable/c/4bce4a6f6318035d77d6b6199527b1950bb015f4>
- <https://git.kernel.org/stable/c/8b67af8cd90542b2607623e3282811849e191b79>
- <https://git.kernel.org/stable/c/95d0b40c0623fd2b58c753f8dd6adda7263e3cd1>
- <https://git.kernel.org/stable/c/03ed804a0ddc3d069faf94c47f9e702afe5ca084>
- <https://git.kernel.org/stable/c/2881b2e6da02daea1eb8254247ba8fd20c9d3348>
- <https://git.kernel.org/stable/c/4295c58990b7a84e8349a2226db692e252825b60>
- <https://git.kernel.org/stable/c/0c6bf45e5a345cc3b9ffbeaf9083ecac3c2293eb>

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-2026-97481>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97481/>. Everything for agents: <https://agentprime.io/llms.txt>.