# net/smc: Do not re-initialize smc hashtables

CVE record · `CVE-2026-64005`

- **Identifiers:** `CVE-2026-64005`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-662](https://cwe.mitre.org/data/definitions/662.html)
- **Tags:** [CWE-662](https://agentprime.io/advisories/tag/cwe-662.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 19 Jul 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 19 Jul 2026, 14:56 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: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before cdc79c05cc375f68ae87b0c74fdaac1a5c93155a` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 2006605006e5a4a11d93e1ebdbbe95764d24276f` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 64c96e497d5ada0b90e99bf58f893aa2b73dcfbc` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before ed7a758313011885347b854e97cb95903ef3c3f7` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 0cc9d0ac22d02f1ba1884de5d6de9eaf8b45d82d` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 55cba6b883b41e5922c00ba9d4e3262131f46f1b` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 5ec939367e700722ffbb1b7cacccbb1a3cf0ebd1` (git)
  - affected: `f16a7dd5cf27eeda187425c9c7d96802a549f9c4 to before 9e4389b0038781f19f97895186ed941ff8ac1678` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.11`
  - unaffected: `before 4.11` (semver)
  - unaffected: `5.10.259 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.210 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.176 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.143 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.93 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.35 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.12 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 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:** 0.0010, the 1st percentile, on 6 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 19 Jul 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-64005](https://www.cve.org/CVERecord?id=CVE-2026-64005)
- [NVD: CVE-2026-64005](https://nvd.nist.gov/vuln/detail/CVE-2026-64005)

### References from the CNA

- <https://git.kernel.org/stable/c/cdc79c05cc375f68ae87b0c74fdaac1a5c93155a>
- <https://git.kernel.org/stable/c/2006605006e5a4a11d93e1ebdbbe95764d24276f>
- <https://git.kernel.org/stable/c/64c96e497d5ada0b90e99bf58f893aa2b73dcfbc>
- <https://git.kernel.org/stable/c/ed7a758313011885347b854e97cb95903ef3c3f7>
- <https://git.kernel.org/stable/c/0cc9d0ac22d02f1ba1884de5d6de9eaf8b45d82d>
- <https://git.kernel.org/stable/c/55cba6b883b41e5922c00ba9d4e3262131f46f1b>
- <https://git.kernel.org/stable/c/5ec939367e700722ffbb1b7cacccbb1a3cf0ebd1>
- <https://git.kernel.org/stable/c/9e4389b0038781f19f97895186ed941ff8ac1678>

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-2026-64005>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-64005/>. Everything for agents: <https://agentprime.io/llms.txt>.