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CVE-2026-46301

📛 CVE Title

spi: topcliff-pch: fix use-after-free on unbind

⬇ Download JSON ⚠ View as Threat

Description

In the Linux kernel, the following vulnerability has been resolved: spi: topcliff-pch: fix use-after-free on unbind Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind

Description (MITRE) cveawg.mitre.org

Pulled from cveawg.mitre.org/api/cve/CVE-2026-46301 on 2026-10-23. Shown when MITRE's text differs from the cvelistV5 mirror.

In the Linux kernel, the following vulnerability has been resolved: spi: topcliff-pch: fix use-after-free on unbind Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind

Overview

State
—
Assigner (CNA)
—
CVSS severity
high
CVSS score
CVSS 7.8 / 10 7.8 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
7.8 / 10 HIGH MS rating: Important
CWE(s)
—
Reserved
—
Published
2026-06-09 07:00 UTC
Last updated
2026-06-20 01:43 UTC
Source
https://www.tenable.com/cve/CVE-2026-46301
Linked Threat
CVE-2026-46301 — CVE-2026-46301

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
2026-06-08 17:16:48 UTC
NVD last modified
2026-07-23 08:10:00 UTC
NVD CVSS v3.1
CVSS 7.8 / 10 7.8 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
0.0012 (probability of exploitation in next 30 days)
EPSS percentile
1.94% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01

NVD-assigned CWE(s): CWE-416 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-08-01 16:31 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-2026-35166
Assigner
Linux
Published
Jun 8, 2026, 3:46:28 PM
Updated
Jun 14, 2026, 6:07:38 PM
EUVD base score
0.0 / 10
EUVD-reported EPSS
0.1200
Vendors
Linux
Products
Linux (patch: 6.12.88)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <9d72732fe70c11424bc90ed466c7ccfa58b42a9a)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <36e58c436d2c2a797800427dc04d74ffd8b6ce1c)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <8822980668c96b5aa251c1e2daec1873262b8f3f)
Linux (patch: 5.15.209)
Linux (patch: 6.6.140)
Linux (patch: 7.1)
Linux (patch: 7.0.7)
Linux (patch: 6.18.30)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <d50ef3553acbacce6f2843304d41d06dca358bb6)
Linux (3.1)
Linux (patch: 0)
Linux (patch: 6.1.175)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <43334836b907adc21eab3079d2e6b26754468786)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <d79e92161b65832e0b8cad5f3d84d17e5cd7a970)
Linux (patch: 5.10.258)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <0e8e57f9737ea257634db1d152fc430a0788a3e1)
Linux (c37f3c2749b53225d36faa5c583203c5f12ae15b <4ca90deeca1c7dd72c1c380ba8143565516def2d)
Aliases
GHSA-fg92-r9x5-ch82

ENISA description: In the Linux kernel, the following vulnerability has been resolved: spi: topcliff-pch: fix use-after-free on unbind Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind

EUVD references (8)

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 2026-11-03 04:06 UTC (source: CVRF).

MS severity
Important
MS CVSS base score
7.8 / 10 (temporal 7.8)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Release
2026-Jun
Microsoft remediations / KB articles (2)

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 (0)

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

None in the CVE record.

Web references (12)

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

NVD-tagged references (8)

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

Remediations (10)

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

  • Microsoft and Adobe Patch Tuesday, May 2026 Security Update Review
    web:blog.qualys.com

    May 2026's Patch Tuesday arrives with Microsoft addressing a fresh set of vulnerabilities across its ecosystem, reinforcing the ongoing need for timely patching in an increasingly threat-heavy…

    2026-06-19 02:38 UTC
  • Microsoft Confirms Defender RoguePlanet 0-Day Exploit and Working to ...
    web:cybersecuritynews.com

    Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed "RoguePlanet," and confirmed it is actively developing a security patch to address the flaw.

    2026-06-19 02:38 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.

    2026-06-19 02:38 UTC
  • Windows 11, version 25H2 known issues and notifications
    web:learn.microsoft.com

    Windows 11, version 25H2 is now available for all eligible devices. Devices running Home and Pro editions of Windows 11 that are not managed by IT departments will receive the update to Windows 11, version 25H2 through the machine learning-based intelligent rollout.

    2026-06-19 02:38 UTC
  • Nvd - Cve-2026-4631
    web:nvd.nist.gov

    An official website of the United States government Here's how you know

    2026-06-19 02:38 UTC
  • Microsoft patches two zero-day flaws in Defender - CSO Online
    web:www.csoonline.com

    Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...

    2026-06-19 02:38 UTC
  • Microsoft working on a fix for RoguePlanet, a flaw that grants full PC ...
    web:www.malwarebytes.com

    Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest level of access on Windows.

    2026-06-19 02:38 UTC
  • Microsoft Technical Security Notifications
    web:www.microsoft.com

    Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

    2026-06-19 02:38 UTC
  • Patch Tuesday - June 2026 - Rapid7
    web:www.rapid7.com

    Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.

    2026-06-19 02:38 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 .

    2026-06-19 02:38 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-46301.json.

Not stored.