# net: mpls: clear inner_protocol when the last label is popped

CVE record · `CVE-2026-97612`

- **Identifiers:** `CVE-2026-97612`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 25 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:22 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: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 55ed97db27bffe29c21fdefd5d25601322c36ff8` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 833ec2788322306407503b4cfc7745cd1f9d785f` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 38db09804b2616aa1e2fcdf97f0c3ae8b9dbdd34` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 0b3425fd0ecd515997956f7bb8a8a576b444ed64` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 011e17b5cae19b9f6a150923275e41c278de64f0` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before da8c3a7f5d3137fec4ff60a6248f5f6d66b6a63e` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before b39120523475d6b436be7f6cb27d48064148a327` (git)
  - affected: `48d2ab609b6bbecb7698487c8579bc40de9d6dfa to before 78a86d75a70e1e227711c72865c59b1422d0a5ae` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.9`
  - unaffected: `before 4.9` (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: `7.2.7 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

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

- **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 25 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-97612](https://www.cve.org/CVERecord?id=CVE-2026-97612)
- [NVD: CVE-2026-97612](https://nvd.nist.gov/vuln/detail/CVE-2026-97612)

### References from the CNA

- <https://git.kernel.org/stable/c/55ed97db27bffe29c21fdefd5d25601322c36ff8>
- <https://git.kernel.org/stable/c/833ec2788322306407503b4cfc7745cd1f9d785f>
- <https://git.kernel.org/stable/c/38db09804b2616aa1e2fcdf97f0c3ae8b9dbdd34>
- <https://git.kernel.org/stable/c/0b3425fd0ecd515997956f7bb8a8a576b444ed64>
- <https://git.kernel.org/stable/c/011e17b5cae19b9f6a150923275e41c278de64f0>
- <https://git.kernel.org/stable/c/da8c3a7f5d3137fec4ff60a6248f5f6d66b6a63e>
- <https://git.kernel.org/stable/c/b39120523475d6b436be7f6cb27d48064148a327>
- <https://git.kernel.org/stable/c/78a86d75a70e1e227711c72865c59b1422d0a5ae>

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-2026-97612>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-97612/>. Everything for agents: <https://agentprime.io/llms.txt>.