# nfc: nfcmrvl: validate helper command length before pull

CVE record · `CVE-2026-98583`

- **Identifiers:** `CVE-2026-98583`
- **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, 15:18 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: `3194c6870158e305dac2af52f83681e9cb67280f to before 842c0603cfa49530ef081f181a2ddbba77a37231` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before e4b012240c8aaf57cec192234c24e0db5f531ffa` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before f15ad9d6e9173a037587dded77c904fdae8df380` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before 4d4601e182c8567329be7d919669ec4d847ddd93` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before ed2e00bb22c73156bf8030b6204deabb25cf4eb5` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before 6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c` (git)
  - affected: `3194c6870158e305dac2af52f83681e9cb67280f to before 686f942332b1667f13f3b8d6a2f50bcfbf42e277` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.4`
  - unaffected: `before 4.4` (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: `6.12.112 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:** 0.0022, the 12th 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-2026-98583](https://www.cve.org/CVERecord?id=CVE-2026-98583)
- [NVD: CVE-2026-98583](https://nvd.nist.gov/vuln/detail/CVE-2026-98583)

### References from the CNA

- <https://git.kernel.org/stable/c/842c0603cfa49530ef081f181a2ddbba77a37231>
- <https://git.kernel.org/stable/c/e4b012240c8aaf57cec192234c24e0db5f531ffa>
- <https://git.kernel.org/stable/c/f15ad9d6e9173a037587dded77c904fdae8df380>
- <https://git.kernel.org/stable/c/a4e56f57dd04d8f9bc6bc55f90f3d129da759ec9>
- <https://git.kernel.org/stable/c/4d4601e182c8567329be7d919669ec4d847ddd93>
- <https://git.kernel.org/stable/c/ed2e00bb22c73156bf8030b6204deabb25cf4eb5>
- <https://git.kernel.org/stable/c/6a17a5806e9fcd99cf0dd30c3e6301f2aa1fac3c>
- <https://git.kernel.org/stable/c/686f942332b1667f13f3b8d6a2f50bcfbf42e277>

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-2026-98583>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98583/>. Everything for agents: <https://agentprime.io/llms.txt>.