# mctp: route: iterate socket tag list in mctp_lookup_prealloc_tag()

CVE record · `CVE-2026-98525`

- **Identifiers:** `CVE-2026-98525`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:17 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: `63ed1aab3d40aa61aaa66819bdce9377ac7f40fa to before 09299addab11857e92eca55cd8ef3350b927c90c` (git)
  - affected: `63ed1aab3d40aa61aaa66819bdce9377ac7f40fa to before e35cb500dd14882f8dee61783fccd1823fd3ab0d` (git)
  - affected: `63ed1aab3d40aa61aaa66819bdce9377ac7f40fa to before f178300e2f56ca9ec2a3a0090608730bbee0af7b` (git)
  - affected: `63ed1aab3d40aa61aaa66819bdce9377ac7f40fa to before 26cc0e69cce062cd3aa6fae33074684669c35a71` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.18`
  - unaffected: `before 5.18` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 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 8 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 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98525](https://www.cve.org/CVERecord?id=CVE-2026-98525)
- [NVD: CVE-2026-98525](https://nvd.nist.gov/vuln/detail/CVE-2026-98525)

### References from the CNA

- <https://git.kernel.org/stable/c/09299addab11857e92eca55cd8ef3350b927c90c>
- <https://git.kernel.org/stable/c/e35cb500dd14882f8dee61783fccd1823fd3ab0d>
- <https://git.kernel.org/stable/c/f178300e2f56ca9ec2a3a0090608730bbee0af7b>
- <https://git.kernel.org/stable/c/26cc0e69cce062cd3aa6fae33074684669c35a71>

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-2026-98525>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98525/>. Everything for agents: <https://agentprime.io/llms.txt>.