# RDMA/cxgb4: Cancel reg_work before freeing device on remove

CVE record · `CVE-2026-89510`

- **Identifiers:** `CVE-2026-89510`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 11 Sept 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before e6e79e7be87c5ea92728060a3d7fb56890a91e45` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before 672ee1981db10569ec96030bddb322f18382ec04` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before 4681e731db07769846901cfabdd3e53f765eb9d3` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before 3265d558dfafab8f12f5fba06ebbf15cae9f3225` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before fe9c591026c576d8b1f72aab5e4cd67350530763` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before 85f438382a865a4dc4c50e6b884310bb2b60fc4d` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before 320e5258a53af0abc5abd9eb01519a48bab2dee8` (git)
  - affected: `1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 to before a7100601aa1a39f799a566acce10db20eaf4b7f2` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.15`
  - unaffected: `before 4.15` (semver)
  - unaffected: `5.10.270 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: `6.12.109 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.50 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.4 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:** 0.0018, the 7th 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 11 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-89510](https://www.cve.org/CVERecord?id=CVE-2026-89510)
- [NVD: CVE-2026-89510](https://nvd.nist.gov/vuln/detail/CVE-2026-89510)

### References from the CNA

- <https://git.kernel.org/stable/c/e6e79e7be87c5ea92728060a3d7fb56890a91e45>
- <https://git.kernel.org/stable/c/672ee1981db10569ec96030bddb322f18382ec04>
- <https://git.kernel.org/stable/c/4681e731db07769846901cfabdd3e53f765eb9d3>
- <https://git.kernel.org/stable/c/3265d558dfafab8f12f5fba06ebbf15cae9f3225>
- <https://git.kernel.org/stable/c/fe9c591026c576d8b1f72aab5e4cd67350530763>
- <https://git.kernel.org/stable/c/85f438382a865a4dc4c50e6b884310bb2b60fc4d>
- <https://git.kernel.org/stable/c/320e5258a53af0abc5abd9eb01519a48bab2dee8>
- <https://git.kernel.org/stable/c/a7100601aa1a39f799a566acce10db20eaf4b7f2>

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-2026-89510>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-89510/>. Everything for agents: <https://agentprime.io/llms.txt>.