msrc_cve-2024-43837
Vulnerability from csaf_microsoft
Published
2024-08-02 00:00
Modified
2024-09-11 00:00
Summary
bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT

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": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "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-2024-43837 bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-43837.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": "bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT",
    "tracking": {
      "current_release_date": "2024-09-11T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T02:00:16.342Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2024-43837",
      "initial_release_date": "2024-08-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-09-11T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 kernel 6.6.47.1-1",
                "product": {
                  "name": "\u003cazl3 kernel 6.6.47.1-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 kernel 6.6.47.1-1",
                "product": {
                  "name": "azl3 kernel 6.6.47.1-1",
                  "product_id": "17651"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 kernel 6.6.43.1-7",
                "product": {
                  "name": "\u003cazl3 kernel 6.6.43.1-7",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 kernel 6.6.43.1-7",
                "product": {
                  "name": "azl3 kernel 6.6.43.1-7",
                  "product_id": "17661"
                }
              }
            ],
            "category": "product_name",
            "name": "kernel"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 kernel 6.6.47.1-1 as a component of Azure Linux 3.0",
          "product_id": "17084-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kernel 6.6.47.1-1 as a component of Azure Linux 3.0",
          "product_id": "17651-17084"
        },
        "product_reference": "17651",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 kernel 6.6.43.1-7 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kernel 6.6.43.1-7 as a component of Azure Linux 3.0",
          "product_id": "17661-17084"
        },
        "product_reference": "17661",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-43837",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "general",
          "text": "Linux",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "17651-17084",
          "17661-17084"
        ],
        "known_affected": [
          "17084-2",
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2024-43837 bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-43837.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-09-11T00:00:00.000Z",
          "details": "6.6.47.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-2",
            "17084-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "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": [
            "17084-2",
            "17084-1"
          ]
        }
      ],
      "title": "bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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