# batman-adv: dat: atomically update mac addresses

CVE record · `CVE-2026-93204`

- **Identifiers:** `CVE-2026-93204`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:12 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: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before 181012b3d29c51197c235ee5871fc7512c736855` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before 159360a0de831845c4500b4f8638decdcd624040` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before 259db2c04586d40b82c5c3002b1e28b0698a0bb7` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before 1674855a5b6eacfe35f4db3095d7055c25467274` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before 66238e2a74eca5dabf85b0cd2c3c944e474dc2fd` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before a5e4d6cb4f6848b8906c1c493f99a8ccc0638515` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before f68038c77a2f38c09c7e2e4f7fa1f4e246fdf2c9` (git)
  - affected: `2f1dfbe185075a50dc8f0490a136377af53a1c62 to before e6de568d3eda3e3c01c868fabd7a9535d5ee4a73` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `3.8`
  - unaffected: `before 3.8` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.221 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.188 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 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:** 0.0020, the 10th 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 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93204](https://www.cve.org/CVERecord?id=CVE-2026-93204)
- [NVD: CVE-2026-93204](https://nvd.nist.gov/vuln/detail/CVE-2026-93204)

### References from the CNA

- <https://git.kernel.org/stable/c/181012b3d29c51197c235ee5871fc7512c736855>
- <https://git.kernel.org/stable/c/159360a0de831845c4500b4f8638decdcd624040>
- <https://git.kernel.org/stable/c/259db2c04586d40b82c5c3002b1e28b0698a0bb7>
- <https://git.kernel.org/stable/c/1674855a5b6eacfe35f4db3095d7055c25467274>
- <https://git.kernel.org/stable/c/66238e2a74eca5dabf85b0cd2c3c944e474dc2fd>
- <https://git.kernel.org/stable/c/a5e4d6cb4f6848b8906c1c493f99a8ccc0638515>
- <https://git.kernel.org/stable/c/f68038c77a2f38c09c7e2e4f7fa1f4e246fdf2c9>
- <https://git.kernel.org/stable/c/e6de568d3eda3e3c01c868fabd7a9535d5ee4a73>

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-2026-93204>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-93204/>. Everything for agents: <https://agentprime.io/llms.txt>.