CVE-2026-46241

CVEs › CVE-2026-46241

Description

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

Overview

State: PUBLISHED
Assigner (CNA): Linux
CVSS severity: high
CVSS score: 7.8 / 10
CVSS vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Effective score: 7.8 / 10 HIGH source: CNA overview
MSRC score: 5.5 / 10 MEDIUM MS rating: Moderate
CWE(s): CWE-416
Reserved: 2026-05-13
Published: 2026-05-28 09:41 UTC
Last updated: 2026-05-28 09:41 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/46xxx/CVE-2026-46241.json
Linked Threat: CVE-2026-46241 — CVE-2026-46241

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 10:16:39 UTC
NVD last modified: 2026-06-17 10:53:23 UTC
NVD CVSS v3.1: 7.8 / 10 HIGH source: nvd@nist.gov
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability subscore: 1.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0013 (probability of exploitation in next 30 days)
EPSS percentile: 2.59% vs all CVEs — higher = more likely to be exploited, as of 2026-07-27

NVD / KEV / EPSS data refreshed 2026-07-28 12:22 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

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-2026-32759
Assigner: Linux
Published: May 28, 2026, 9:41:09 AM
Updated: Jun 14, 2026, 6:05:11 PM
EUVD base score: 0.0 / 10
EUVD-reported EPSS: 0.1300
Vendors: Linux
Products: Linux (42bbb70980f3720b0ae6da6af862af0e95a04351 <336d9ad7560b3baba17af06727a888040ee93390)

Linux (42bbb70980f3720b0ae6da6af862af0e95a04351 <f62c060272b9d7423b1650b844e8e4e7b8f9f925)

Linux (42bbb70980f3720b0ae6da6af862af0e95a04351 <8b49b6aadd0c622ca7d68b4a53ae10362e221cf3)

Linux (patch: 6.12.90)

Linux (patch: 0)

Linux (patch: 7.0.9)

Linux (42bbb70980f3720b0ae6da6af862af0e95a04351 <5c77f11b9b5f1ad5a704dad875260c44016ede10)

Linux (2.6.33)

Linux (patch: 6.18.32)

Linux (patch: 7.1)
Aliases: GHSA-529r-6cww-q8vr

ENISA description: In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix.

EUVD references (4)

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: 5.5 / 10 (temporal 5.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U
Release: 2026-May

Microsoft remediations / KB articles (2)

Release Notes — Vendor Fix / Security Update
https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade — None Available / Release Notes

Affected products (2)

Vendor	Product	Versions	Platforms
Linux	Linux	`42bbb70980f3720b0ae6da6af862af0e95a04351` (affected), `42bbb70980f3720b0ae6da6af862af0e95a04351` (affected), `42bbb70980f3720b0ae6da6af862af0e95a04351` (affected), `42bbb70980f3720b0ae6da6af862af0e95a04351` (affected)	—
Linux	Linux	`2.6.33` (affected), `0` (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 (4)

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

Web references (9)

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

Vendor Fix msrc
MSRC update guide: CVE-2026-46241 msrc
https://git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3 tenable:git.kernel.org
https://git.kernel.org/stable/c/f62c060272b9d7423b1650b844e8e4e7b8f9f925 tenable:git.kernel.org
https://nvd.nist.gov/vuln/detail/CVE-2026-46241 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-46241 tenable:www.cve.org
https://git.kernel.org/stable/c/336d9ad7560b3baba17af06727a888040ee93390 tenable:git.kernel.org
https://www.first.org/epss/ tenable:www.first.org
https://git.kernel.org/stable/c/5c77f11b9b5f1ad5a704dad875260c44016ede10 tenable:git.kernel.org

NVD-tagged references (4)

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/336d9ad7560b3baba17af06727a888040ee93390 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/5c77f11b9b5f1ad5a704dad875260c44016ede10 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/f62c060272b9d7423b1650b844e8e4e7b8f9f925 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch

Remediations (20)

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

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
CVE-2026-46241 | Security Details | Sonatype Guide

web:guide.sonatype.com

Technical security analysis for CVE-2026-46241 . CVSS 7.5 severity. View CVSS vectors, CWE classifications, and exploit maturity ratings.

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

web:msrc.microsoft.com

Security Update Guide - Microsoft Security Response Center

2026-06-03 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
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days

web:www.bleepingcomputer.com

Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

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
Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days

web:www.helpnetsecurity.com

Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE -numbered vulnerabilities, none of which are actively exploited.

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
Oracle Patches 450 Vulnerabilities With April 2026 CPU

web:www.securityweek.com

Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication.

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
CVE-2026-46241 | AttackerKB

web:attackerkb.com

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the …

2026-06-19 02:28 UTC
In the Linux kernel, the following vulnerability has been...

web:github.com

Description In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller ...

2026-06-19 02:28 UTC
The Official Fix Chocolate Bar | Dubai's Viral Chocolate Bars

web:officialfixdessertchocolatier.com

Indulge in Dubai's viral chocolate bars with FIX Dessert Chocolatier. Shop our hero collection featuring Baklawa, Knafeh, Biscoff, and more. Fast delivery in Dubai & Abu Dhabi. Order now!

2026-06-19 02:28 UTC
Cve-2026-46241

web:security-tracker.debian.org

Vulnerable and fixed packages The table below lists information on source packages.

2026-06-19 02:28 UTC
CVE-2026-46241 - vulnerability database | Vulners.com

web:vulners.com

CVE-2026-46241 concerns the SPI driver for the MPC52xx in the Linux kernel, where a use-after-free can occur if controller registration fails because interrupts are not properly disabled and freed. The issue is resolved by a fix that ensures inter...

2026-06-19 02:28 UTC
CVE-2026-46241: Linux Kernel Cleanup Bug in mpc52xx SPI Path

web:windowsforum.com

CVE-2026-46241 is a Linux kernel vulnerability published by NVD on May 28, 2026 , affecting the spi: mpc52xx controller path, where failed controller registration could leave interrupts active and create a possible use-after-free and resource leak. The flaw is not the kind of headline-grabbing remote-code-execution event that sends patch teams scrambling overnight. It is more revealing than ...

2026-06-19 02:28 UTC
CVE-2026-46241: Linux Kernel Use-After-Free Vulnerability

web:www.sentinelone.com

CVE-2026-46241 is a use-after-free vulnerability in Linux kernel spi mpc52xx. Learn about its impact, affected versions, and mitigation methods.

2026-06-19 02:28 UTC
CVE-2026-46241 Common Vulnerabilities and Exposures | SUSE

web:www.suse.com

Upstream information CVE-2026-46241 at MITRE Description In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration ...

2026-06-19 02:28 UTC
CVE-2026-46241 | Tenable®

web:www.tenable.com

In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix .

2026-06-19 02:28 UTC
CVE-2026-46241 - High Vulnerability - TheHackerWire

web:www.thehackerwire.com

CVE-2026-46241 is a High severity vulnerability (CVSS 7.8). In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to...

2026-06-19 02:28 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-46241.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-mpc52xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8b49b6aadd0c622ca7d68b4a53ae10362e221cf3",
              "status": "affected",
              "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
              "versionType": "git"
            },
            {
              "lessThan": "336d9ad7560b3baba17af06727a888040ee93390",
              "status": "affected",
              "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
              "versionType": "git"
            },
            {
              "lessThan": "5c77f11b9b5f1ad5a704dad875260c44016ede10",
              "status": "affected",
              "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
              "versionType": "git"
            },
            {
              "lessThan": "f62c060272b9d7423b1650b844e8e4e7b8f9f925",
              "status": "affected",
              "version": "42bbb70980f3720b0ae6da6af862af0e95a04351",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-mpc52xx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.33"
            },
            {
              "lessThan": "2.6.33",
              "status": "unaffected",
              "version": "0",
              "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:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.90",
                  "versionStartIncluding": "2.6.33",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.32",
                  "versionStartIncluding": "2.6.33",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.9",
                  "versionStartIncluding": "2.6.33",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "2.6.33",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: mpc52xx: fix use-after-free on registration failure\n\nMake sure to disable and free the interrupts in case controller\nregistration fails to avoid a potential use-after-free and resource\nleak.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:41:09.145Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3"
        },
        {
          "url": "https://git.kernel.org/stable/c/336d9ad7560b3baba17af06727a888040ee93390"
        },
        {
          "url": "https://git.kernel.org/stable/c/5c77f11b9b5f1ad5a704dad875260c44016ede10"
        },
        {
          "url": "https://git.kernel.org/stable/c/f62c060272b9d7423b1650b844e8e4e7b8f9f925"
        }
      ],
      "title": "spi: mpc52xx: fix use-after-free on registration failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46241",
    "datePublished": "2026-05-28T09:41:09.145Z",
    "dateReserved": "2026-05-13T15:03:33.107Z",
    "dateUpdated": "2026-05-28T09:41:09.145Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}