CVE-2026-46226

Description

In the Linux kernel, the following vulnerability has been resolved: spi: fsl: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like DMA during driver unbind.

Overview

State: PUBLISHED
Assigner (CNA): Linux
CVSS severity: high
CVSS score: 7.1 / 10
CVSS vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Effective score: 7.1 / 10 HIGH source: CNA overview
MSRC score: 7.1 / 10 HIGH MS rating: Moderate
CWE(s): —
Reserved: 2026-05-13
Published: 2026-05-28 09:40 UTC
Last updated: 2026-05-28 09:40 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/46xxx/CVE-2026-46226.json
Linked Threat: CVE-2026-46226 — CVE-2026-46226

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-05-28 10:16:38 UTC
NVD last modified: 2026-06-17 10:53:22 UTC
NVD CVSS v3.1: 5.5 / 10 MEDIUM source: nvd@nist.gov
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore: 1.8 / 10
Impact subscore: 3.6 / 10
EPSS score: 0.0012 (probability of exploitation in next 30 days)
EPSS percentile: 2.04% vs all CVEs — higher = more likely to be exploited, as of 2026-07-28

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-32853
Assigner: Linux
Published: May 28, 2026, 9:40:46 AM
Updated: Jun 14, 2026, 6:04:04 PM
EUVD base score: 0.0 / 10
EUVD-reported EPSS: 0.1200
Vendors: Linux
Products: Linux (4178b6b1b595003cd6e04711b449797a582e44f5 <e888308222375ac28bae69134dae288178718a96)

Linux (patch: 6.12.90)

Linux (4178b6b1b595003cd6e04711b449797a582e44f5 <9b7abfed4c3754062d1f3ffd452e65a38667f586)

Linux (4178b6b1b595003cd6e04711b449797a582e44f5 <ca3195c7b88362d7c81efe685948663a9f9db0e6)

Linux (patch: 7.0.9)

Linux (patch: 6.18.32)

Linux (4178b6b1b595003cd6e04711b449797a582e44f5 <562d954a144950ec2aa6a874ae657cb3fa31fe53)

Linux (4.3)

Linux (patch: 7.1)

Linux (patch: 6.6.140)

Linux (4178b6b1b595003cd6e04711b449797a582e44f5 <5750743a39c9d46ac9fcf57ffe000956da4942cf)

Linux (patch: 0)
Aliases: GHSA-h384-m94j-8hmh

ENISA description: In the Linux kernel, the following vulnerability has been resolved: spi: fsl: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like DMA during driver unbind.

EUVD references (5)

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-11-05 03:38 UTC (source: CVRF).

MS severity: Moderate
MS CVSS base score: 7.1 / 10 (temporal 6.5)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U
Release: 2026-May

Microsoft remediations / KB articles (2)

CBL-Mariner Releases — Vendor Fix / Security Update (fixed build 6.6.141.1-1)
https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade — None Available / CBL-Mariner Releases

Affected products (2)

Vendor	Product	Versions	Platforms
Linux	Linux	`4178b6b1b595003cd6e04711b449797a582e44f5` (affected), `4178b6b1b595003cd6e04711b449797a582e44f5` (affected), `4178b6b1b595003cd6e04711b449797a582e44f5` (affected), `4178b6b1b595003cd6e04711b449797a582e44f5` (affected), `4178b6b1b595003cd6e04711b449797a582e44f5` (affected)	—
Linux	Linux	`4.3` (affected), `0` (unaffected), `6.6.140` (unaffected), `6.12.90` (unaffected), `6.18.32` (unaffected), `7.0.9` (unaffected), `7.1-rc1` (unaffected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

Web references (10)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

MSRC update guide: CVE-2026-46226 msrc
None Available msrc
https://git.kernel.org/stable/c/9b7abfed4c3754062d1f3ffd452e65a38667f586 tenable:git.kernel.org
https://git.kernel.org/stable/c/ca3195c7b88362d7c81efe685948663a9f9db0e6 tenable:git.kernel.org
https://git.kernel.org/stable/c/e888308222375ac28bae69134dae288178718a96 tenable:git.kernel.org
https://nvd.nist.gov/vuln/detail/CVE-2026-46226 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-46226 tenable:www.cve.org
https://git.kernel.org/stable/c/562d954a144950ec2aa6a874ae657cb3fa31fe53 tenable:git.kernel.org
https://www.first.org/epss/ tenable:www.first.org
https://git.kernel.org/stable/c/5750743a39c9d46ac9fcf57ffe000956da4942cf tenable:git.kernel.org

NVD-tagged references (5)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://git.kernel.org/stable/c/562d954a144950ec2aa6a874ae657cb3fa31fe53 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/5750743a39c9d46ac9fcf57ffe000956da4942cf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/9b7abfed4c3754062d1f3ffd452e65a38667f586 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/ca3195c7b88362d7c81efe685948663a9f9db0e6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/e888308222375ac28bae69134dae288178718a96 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch

Remediations (16)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Oracle Critical Patch Update, April 2026 Security Update Review

web:blog.qualys.com

Oracle released its second quarterly edition of this year's Critical Patch Update. The update received patches for 481 security vulnerabilities.

2026-06-03 23:59 UTC
Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-06-03 23:59 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-06-03 23:59 UTC
Portal for ArcGIS Security 2026 Update 1 Patch - Esri Support

web:support.esri.com

The C version of this patch also includes additional bug fixes not related to security, refer to the updated Issues Addressed with this Patch section for the latest details. April 20, 2026 : The 11.4 version of the Portal for ArcGIS Security 2026 Update 1 Patch is now available.

2026-06-03 23:59 UTC
Landing Page | ServiceNow Common Vulnerabilities & Exposures (CVE ...

web:support.servicenow.com

Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...

2026-06-03 23:59 UTC
Critical Patches Issued for Microsoft Products, April 14, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-06-03 23:59 UTC
April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

2026-06-03 23:59 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-06-03 23:59 UTC
VirusTotal - Home

web:www.virustotal.com

VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

2026-06-03 23:59 UTC
Patch Tuesday June 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-06-03 23:59 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Security Update Guide - Microsoft Security Response Center

2026-06-19 02:28 UTC
Oracle CPU April 2026: Delayed RUs & First Analysis ¶

web:oradba.ch

On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching. What makes this quarter unusual: several key Release Updates, including 19.31 and 23.26.2, were not available on release day and are delayed by up to a week or more.

2026-06-19 02:28 UTC
SAP Security Patch Day - February 2026

web:support.sap.com

SAP security Patch Day Bulletin

2026-06-19 02:28 UTC
March 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.

2026-06-19 02:28 UTC
Oracle Critical Security Patch Update Advisory - May 2026

web:www.oracle.com

This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

2026-06-19 02:28 UTC
Vulnerabilities Resolved in Veeam Backup & Replication 13.0.1.2067

web:www.veeam.com

When a vulnerability is identified, our team promptly develops a patch to address and mitigate the risk. In line with our dedication to transparency, we publicly disclose the vulnerability and provide detailed mitigation information.

2026-06-19 02:28 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-46226.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-fsl-spi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "562d954a144950ec2aa6a874ae657cb3fa31fe53",
              "status": "affected",
              "version": "4178b6b1b595003cd6e04711b449797a582e44f5",
              "versionType": "git"
            },
            {
              "lessThan": "e888308222375ac28bae69134dae288178718a96",
              "status": "affected",
              "version": "4178b6b1b595003cd6e04711b449797a582e44f5",
              "versionType": "git"
            },
            {
              "lessThan": "ca3195c7b88362d7c81efe685948663a9f9db0e6",
              "status": "affected",
              "version": "4178b6b1b595003cd6e04711b449797a582e44f5",
              "versionType": "git"
            },
            {
              "lessThan": "5750743a39c9d46ac9fcf57ffe000956da4942cf",
              "status": "affected",
              "version": "4178b6b1b595003cd6e04711b449797a582e44f5",
              "versionType": "git"
            },
            {
              "lessThan": "9b7abfed4c3754062d1f3ffd452e65a38667f586",
              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-fsl-spi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.3"
            },
            {
              "lessThan": "4.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.90",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.32",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
                {
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "4.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fsl: fix controller deregistration\n\nMake sure to deregister the controller before releasing underlying\nresources like DMA during driver unbind."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:40:46.027Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/562d954a144950ec2aa6a874ae657cb3fa31fe53"
        },
        {
          "url": "https://git.kernel.org/stable/c/e888308222375ac28bae69134dae288178718a96"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca3195c7b88362d7c81efe685948663a9f9db0e6"
        },
        {
          "url": "https://git.kernel.org/stable/c/5750743a39c9d46ac9fcf57ffe000956da4942cf"
        },
        {
          "url": "https://git.kernel.org/stable/c/9b7abfed4c3754062d1f3ffd452e65a38667f586"
        }
      ],
      "title": "spi: fsl: fix controller deregistration",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46226",
    "datePublished": "2026-05-28T09:40:46.027Z",
    "dateReserved": "2026-05-13T15:03:33.106Z",
    "dateUpdated": "2026-05-28T09:40:46.027Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}