MSRC_CVE-2026-23422

Vulnerability from csaf_microsoft - Published: 2026-04-02 00:00 - Updated: 2026-04-30 01:45
Summary
dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
CVE-2026-23422
References
To clipboard 

{
  "document": {
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    "csaf_version": "2.0",
    "distribution": {
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      "tlp": {
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        "url": "https://www.first.org/tlp/"
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        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
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      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
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        "summary": "CVE-2026-23422 dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-23422.json"
      },
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        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler",
    "tracking": {
      "current_release_date": "2026-04-30T01:45:46.000Z",
      "generator": {
        "date": "2026-04-30T08:42:48.156Z",
        "engine": {
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      "initial_release_date": "2026-04-02T00:00:00.000Z",
      "revision_history": [
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          "date": "2026-04-26T01:04:04.000Z",
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          "number": "2",
          "summary": "Information published."
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        {
          "date": "2026-04-30T01:45:46.000Z",
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          "number": "3",
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  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "category": "product_name",
            "name": "cbl2 kernel 0:5.15.202.1-1.cbl2",
            "product": {
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      }
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    "relationships": [
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        "full_product_name": {
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          "product_id": "17086-1"
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-23422",
      "flags": [
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          "label": "vulnerable_code_not_present",
          "product_ids": [
            "17086-1"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Linux",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "17086-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-23422 dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-23422.json"
        }
      ],
      "title": "dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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