MSRC_CVE-2024-23850

Vulnerability from csaf_microsoft - Published: 2024-01-01 08:00 - Updated: 2024-08-16 00:00
Summary
In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation.

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.

{
  "document": {
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    "notes": [
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        "category": "general",
        "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"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2024-23850 In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation. - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-23850.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation.",
    "tracking": {
      "current_release_date": "2024-08-16T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:58:25.378Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
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      "initial_release_date": "2024-01-01T08:00:00.000Z",
      "revision_history": [
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          "number": "1",
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      "status": "final",
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  "product_tree": {
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                "name": "\u003cazl3 kernel 6.6.35.1-4",
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                  "product_id": "3"
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                "name": "\u003cazl3 kernel 6.6.92.2-1",
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  "vulnerabilities": [
    {
      "cve": "CVE-2024-23850",
      "cwe": {
        "id": "CWE-617",
        "name": "Reachable Assertion"
      },
      "notes": [
        {
          "category": "general",
          "text": "mitre",
          "title": "Assigning CNA"
        }
      ],
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      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-23850 In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation. - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-23850.json"
        }
      ],
      "remediations": [
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          "category": "vendor_fix",
          "date": "2024-01-30T00:00:00.000Z",
          "details": "5.15.153.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
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          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 5.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "17086-4",
            "17084-3",
            "17086-1",
            "17084-2"
          ]
        }
      ],
      "title": "In btrfs_get_root_ref in fs/btrfs/disk-io.c in the Linux kernel through 6.7.1 there can be an assertion failure and crash because a subvolume can be read out too soon after its root item is inserted upon subvolume creation."
    }
  ]
}


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Sightings

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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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