# ACPI: bus: Introduce acpi_bus_get_primary_device()

CVE record · `CVE-2026-93251`

- **Identifiers:** `CVE-2026-93251`
- **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:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 15:51 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: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before f912f88126e385f6cfcd1a28de73afb7d3943c8d` (git)
  - affected: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before 50ddd82b88b1d1cc467b5df953344c1a9feec268` (git)
  - affected: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before fd4f907b558721716da30acd6630191acf811b95` (git)
  - affected: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before ebdd932dc24c1cf7cc31710b7730515e4e66d886` (git)
  - affected: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before 5657859851abb65105220a6cdb5804926249f714` (git)
  - affected: `91e5687805885f9fceb60b95e950a3d3bdcf4764 to before 72530e1f72b0515a73fd88292254d04fecf03649` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.8`
  - unaffected: `before 3.8` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.160 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.114 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.57 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 24 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93251](https://www.cve.org/CVERecord?id=CVE-2026-93251)
- [NVD: CVE-2026-93251](https://nvd.nist.gov/vuln/detail/CVE-2026-93251)

### References from the CNA

- <https://git.kernel.org/stable/c/f912f88126e385f6cfcd1a28de73afb7d3943c8d>
- <https://git.kernel.org/stable/c/50ddd82b88b1d1cc467b5df953344c1a9feec268>
- <https://git.kernel.org/stable/c/fd4f907b558721716da30acd6630191acf811b95>
- <https://git.kernel.org/stable/c/ebdd932dc24c1cf7cc31710b7730515e4e66d886>
- <https://git.kernel.org/stable/c/5657859851abb65105220a6cdb5804926249f714>
- <https://git.kernel.org/stable/c/72530e1f72b0515a73fd88292254d04fecf03649>

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-2026-93251>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93251/>. Everything for agents: <https://agentprime.io/llms.txt>.