# ACPICA: Add validation for node in acpi_ns_build_normalized_path()

CVE record · `CVE-2026-97448`

- **Identifiers:** `CVE-2026-97448`
- **State:** Confirmed
- **Severity:** CVSS 7.7 High
- **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: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before 087eed8b347e14864f8806fa1f5976c7dc2c6792` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before 90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before 26dd27000e9540fcb594f15010b0696b03b0d240` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before babb146ceb79e71f328788f1e2c8c7c224026e61` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before 21a73528579fcbd673b668bd27a05b658123bc1b` (git)
  - affected: `d1e7ffe50ba588ddf7de520990815c37f31776d8 to before 96b2b616870e46e2bc04efec03879683a0036e66` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.3`
  - unaffected: `before 4.3` (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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd 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-2026-97448](https://www.cve.org/CVERecord?id=CVE-2026-97448)
- [NVD: CVE-2026-97448](https://nvd.nist.gov/vuln/detail/CVE-2026-97448)

### References from the CNA

- <https://git.kernel.org/stable/c/087eed8b347e14864f8806fa1f5976c7dc2c6792>
- <https://git.kernel.org/stable/c/b06bb9b82c8f9a522dde213b1e0ddd535f22e3a2>
- <https://git.kernel.org/stable/c/90ebe7f8bb6ca1c6eadb16bed141ab8bb3dbab70>
- <https://git.kernel.org/stable/c/26dd27000e9540fcb594f15010b0696b03b0d240>
- <https://git.kernel.org/stable/c/babb146ceb79e71f328788f1e2c8c7c224026e61>
- <https://git.kernel.org/stable/c/21a73528579fcbd673b668bd27a05b658123bc1b>
- <https://git.kernel.org/stable/c/96b2b616870e46e2bc04efec03879683a0036e66>

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-2026-97448>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97448/>. Everything for agents: <https://agentprime.io/llms.txt>.