# RDMA/core: Reject unregistering netdevs in ib_get_eth_speed

CVE record · `CVE-2026-98359`

- **Identifiers:** `CVE-2026-98359`
- **State:** Confirmed
- **Severity:** CVSS 7.0 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 6 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 6 Oct 2026, 08:46 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: `d41861942fc55c14b6280d9568a0d0112037f065 to before be4b44c8b47c67a04c08b1a0aba18006b749ae6a` (git)
  - affected: `d41861942fc55c14b6280d9568a0d0112037f065 to before 45c60ffc79771bad154f224a05753191cf1b37bc` (git)
  - affected: `d41861942fc55c14b6280d9568a0d0112037f065 to before 520cd057f138ed8dbe8e05f0eae3a8ed4c5d3a5e` (git)
  - affected: `d41861942fc55c14b6280d9568a0d0112037f065 to before a219459fbd1b2598e63c81a52847eba6c28b72d2` (git)
  - affected: `d41861942fc55c14b6280d9568a0d0112037f065 to before 5bd42f74ec3b4f4687fb600f367af0828d513b3c` (git)
  - affected: `d41861942fc55c14b6280d9568a0d0112037f065 to before ef9fbe1b93f3b617b96e86d5cd76b3fa44514cb5` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.14`
  - unaffected: `before 4.14` (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: `6.18.54 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.8 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.0012, the 1st percentile, on 10 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 6 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98359](https://www.cve.org/CVERecord?id=CVE-2026-98359)
- [NVD: CVE-2026-98359](https://nvd.nist.gov/vuln/detail/CVE-2026-98359)

### References from the CNA

- <https://git.kernel.org/stable/c/be4b44c8b47c67a04c08b1a0aba18006b749ae6a>
- <https://git.kernel.org/stable/c/45c60ffc79771bad154f224a05753191cf1b37bc>
- <https://git.kernel.org/stable/c/520cd057f138ed8dbe8e05f0eae3a8ed4c5d3a5e>
- <https://git.kernel.org/stable/c/a219459fbd1b2598e63c81a52847eba6c28b72d2>
- <https://git.kernel.org/stable/c/5bd42f74ec3b4f4687fb600f367af0828d513b3c>
- <https://git.kernel.org/stable/c/ef9fbe1b93f3b617b96e86d5cd76b3fa44514cb5>

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-2026-98359>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98359/>. Everything for agents: <https://agentprime.io/llms.txt>.