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CVE-2026-46091

📛 CVE Title

media: rc: igorplugusb: heed coherency rules

⬇ Download JSON ⚠ View as Threat

Description

In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately.

Overview

State
PUBLISHED
Assigner (CNA)
Linux
CVSS severity
high
CVSS score
CVSS 7.1 / 10 7.1 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
2026-05-27 12:58 UTC
Last updated
2026-05-27 12:58 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/46xxx/CVE-2026-46091.json
Linked Threat
CVE-2026-46091 — CVE-2026-46091

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
2026-05-27 14:17:30 UTC
NVD last modified
2026-06-25 21:15:45 UTC
NVD CVSS v3.1
CVSS 5.5 / 10 5.5 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
2.38% vs all CVEs — higher = more likely to be exploited, as of 2026-07-16

NVD / KEV / EPSS data refreshed 2026-07-17 00:22 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-2026-32474
Assigner
Linux
Published
May 27, 2026, 12:58:35 PM
Updated
Jun 19, 2026, 11:59:27 AM
EUVD base score
0.0 / 10
EUVD-reported EPSS
0.1200
Vendors
Linux
Products
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <eac69475b01fe1e861dfe3960b57fa95671c132e)
Linux (patch: 5.10.259)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <81f0fb813e4bf28b3ca28dc218938a32eb48f740)
Linux (patch: 6.1.176)
Linux (patch: 0)
Linux (patch: 6.18.27)
Linux (3.19)
Linux (patch: 6.6.140)
Linux (patch: 7.0.4)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <18d6a7c9e4e63c57157e9a57dd9bf3cd38e4c45a)
Linux (patch: 6.12.86)
Linux (patch: 7.1)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <a62ca67e3c72fb297dc7c86495ba8f7329d7f150)
Linux (patch: 7.1-rc1)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <bc04b8633b375af6ac8a8bb615258b80fe06cdaa)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <0adac0ee2c42027d80bac02ea9b576a88f8955d3)
Linux (b1c97193c6437a6083da67f8e97c8ee29b2f1989 <0e84aa8fc23c7578f105e3a2160f9d0aa2bed79a)
Linux (patch: 5.15.210)
Aliases
GHSA-gmw8-8fgq-33v2

ENISA description: In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately.

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 2026-08-12 01:09 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:N/I:H/A:H/E:U
Release
2026-May
Microsoft remediations / KB articles (2)

Affected products (2)
VendorProductVersionsPlatforms
Linux Linux b1c97193c6437a6083da67f8e97c8ee29b2f1989 (affected), b1c97193c6437a6083da67f8e97c8ee29b2f1989 (affected), b1c97193c6437a6083da67f8e97c8ee29b2f1989 (affected), b1c97193c6437a6083da67f8e97c8ee29b2f1989 (affected), b1c97193c6437a6083da67f8e97c8ee29b2f1989 (affected) —
Linux Linux 3.19 (affected), 0 (unaffected), 6.6.140 (unaffected), 6.12.86 (unaffected), 6.18.27 (unaffected), 7.0.4 (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.

MITRE references (3) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

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.

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 (18)

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

  • Mitigate RedSun Zero-Day Without A Patch | Qualys
    web:blog.qualys.com

    RedSun is a zero-day LPE in Microsoft Defender with no patch available. Learn how to detect and mitigate it instantly using Qualys VMDR and TruRisk™ Eliminate.

    2026-06-04 00:11 UTC
  • Microsoft patches UnDefend and RedSun 0‑day vulnerabilities
    web:hackmag.com

    Microsoft developers have released out-of-band updates to fix two 0‑day vulnerabilities in Microsoft Defender that are already being used in real-world attacks. These are the bugs CVE - 2026 -41091 and CVE - 2026 -45498, known as RedSun and UnDefend. The first issue (7.8 on the CVSS scale) is an LPE vulnerability related to improper handling of links before accessing files (link following ...

    2026-06-04 00:11 UTC
  • Nvd - Cve-2026-41091
    web:nvd.nist.gov

    An official website of the United States government NVD MENU

    2026-06-04 00:11 UTC
  • Microsoft Defender Vulnerabilities Added to CISA KEV (CVE-2026-41091 ...
    web:op-c.net

    CISA added two actively exploited Microsoft Defender vulnerabilities, CVE - 2026 -41091 and CVE - 2026 -45498, to its KEV catalog. Learn the risks and recommended actions.

    2026-06-04 00:11 UTC
  • Patch - Everything Local: Breaking News, Events, Discussions
    web:patch.com

    The best breaking news, stories, and events from the Patch network of local news sites

    2026-06-04 00:11 UTC
  • Addressing Exchange Server May 2026 vulnerability CVE-2026-42897
    web:techcommunity.microsoft.com

    Hi team, Our organization has successfully implemented the recommended mitigation for CVE - 2026 -42897. However, we are currently experiencing the documented known issues within our environment. Could the Exchange team kindly provide a tentative timeline or ETA for a permanent security update that resolves the underlying vulnerability while addressing these known issues? We would greatly ...

    2026-06-04 00:11 UTC
  • Microsoft Defender CVE-2026-41091 & CVE-2026-45498
    web:thecyberexpress.com

    Microsoft confirms active exploitation of CVE - 2026 -41091 and CVE - 2026 -45498 in Defender, with CVSS-rated risks, KEV listing, and urgent patches issued.

    2026-06-04 00:11 UTC
  • Microsoft Warns of Two Actively Exploited Defender Vulnerabilities
    web:thehackernews.com

    Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE - 2026 -41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM ...

    2026-06-04 00:11 UTC
  • Oracle's first monthly patch release fixes 35 flaws, including 11 rated ...
    web:www.csoonline.com

    Oracle has released the first security fixes in its new monthly Critical Security Patch Update (CSPU) cycle, designed to address urgent vulnerabilities that can't wait for the company's ...

    2026-06-04 00:11 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.

    2026-06-04 00:11 UTC
  • Microsoft Defender CVE-2026-41091 and CVE-2026-45498 Exploited
    web:blog.gridinsoft.com

    Microsoft has confirmed exploitation of two Microsoft Defender vulnerabilities fixed in the May 2026 security update cycle. CVE - 2026 -41091 is an elevation-of-privilege flaw in the Microsoft Malware Protection Engine, while CVE - 2026 -45498 is a denial-of-service flaw in the Microsoft Defender Antimalware Platform . The first bug matters more for incident response because a local authorized ...

    2026-06-19 02:28 UTC
  • CISA Warns of Exploited Microsoft Defender 0-Day Flaws
    web:cyberpress.org

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

    2026-06-19 02:28 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 02:28 UTC
  • Security Update Guide - Loading - 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.

    2026-06-19 02:28 UTC
  • Microsoft June Patch Tuesday Breaks Records, Includes 4 Zero-Day Fixes
    web:redmondmag.com

    Microsoft's June Patch Tuesday release is one of the largest in company history, but the bigger concern for enterprise IT teams is the handful of zero-days already known to attackers and researchers.

    2026-06-19 02:28 UTC
  • June 9, 2026—KB5095051 (OS Build 28000.2269) - Microsoft Support
    web:support.microsoft.com

    Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089548 (OS Build 28000.2113) May 26, 2026—KB5089570 (OS Build 28000.2179) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates The following summary outlines key quality improvements addressed by this update ...

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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-46091.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/rc/igorplugusb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "b1c97193c6437a6083da67f8e97c8ee29b2f1989",
              "versionType": "git"
            },
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              "status": "affected",
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              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
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            },
            {
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/rc/igorplugusb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.19"
            },
            {
              "lessThan": "3.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.86",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
              "cpeMatch": [
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                  "versionStartIncluding": "3.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
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                },
                {
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                  "versionEndExcluding": "7.1-rc1",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rc: igorplugusb: heed coherency rules\n\nIn a control request, the USB request structure\ncan be subject to DMA on some HCs. Hence it must obey\nthe rules for DMA coherency. Allocate it separately."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:58:35.422Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
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        },
        {
          "url": "https://git.kernel.org/stable/c/0be8fcd9005e3d3b5a61fe34b070a9663adbb4dc"
        },
        {
          "url": "https://git.kernel.org/stable/c/0adac0ee2c42027d80bac02ea9b576a88f8955d3"
        },
        {
          "url": "https://git.kernel.org/stable/c/a62ca67e3c72fb297dc7c86495ba8f7329d7f150"
        },
        {
          "url": "https://git.kernel.org/stable/c/eac69475b01fe1e861dfe3960b57fa95671c132e"
        }
      ],
      "title": "media: rc: igorplugusb: heed coherency rules",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46091",
    "datePublished": "2026-05-27T12:58:35.422Z",
    "dateReserved": "2026-05-13T15:03:33.097Z",
    "dateUpdated": "2026-05-27T12:58:35.422Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}