# i3c: master: adi: initialize the lock before enabling interrupts

CVE record · `CVE-2026-80953`

- **Identifiers:** `CVE-2026-80953`
- **State:** Confirmed
- **Severity:** CVSS 8.4 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:42 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: `a79ac2cdc91d6be3010f2e9a3b2a2ccfc26e2086 to before a15a1b95de980362c14f32f519b293b0d12ce86f` (git)
  - affected: `a79ac2cdc91d6be3010f2e9a3b2a2ccfc26e2086 to before de8c32b0a246bbb4b44ec29e12769496a0bf66f7` (git)
  - affected: `a79ac2cdc91d6be3010f2e9a3b2a2ccfc26e2086 to before 8a53f9102a0d3eeb8784999f925028acf339c276` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.18`
  - unaffected: `before 6.18` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 9th percentile, on 14 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-80953](https://www.cve.org/CVERecord?id=CVE-2026-80953)
- [NVD: CVE-2026-80953](https://nvd.nist.gov/vuln/detail/CVE-2026-80953)

### References from the CNA

- <https://git.kernel.org/stable/c/a15a1b95de980362c14f32f519b293b0d12ce86f>
- <https://git.kernel.org/stable/c/de8c32b0a246bbb4b44ec29e12769496a0bf66f7>
- <https://git.kernel.org/stable/c/8a53f9102a0d3eeb8784999f925028acf339c276>

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-2026-80953>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-80953/>. Everything for agents: <https://agentprime.io/llms.txt>.