msrc_cve-2022-4379
Vulnerability from csaf_microsoft
Published
2023-01-04 00:00
Modified
2023-01-23 00:00
Summary
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial

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.


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{
  "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-2022-4379 A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2022-4379.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": "A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial",
    "tracking": {
      "current_release_date": "2023-01-23T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:11:59.037Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2022-4379",
      "initial_release_date": "2023-01-04T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-01-23T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2023-01-14T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 hyperv-daemons 5.10.174.1-1",
                "product": {
                  "name": "\u003ccm1 hyperv-daemons 5.10.174.1-1",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 hyperv-daemons 5.10.174.1-1",
                "product": {
                  "name": "cm1 hyperv-daemons 5.10.174.1-1",
                  "product_id": "18480"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 hyperv-daemons 5.15.87.1-1",
                "product": {
                  "name": "\u003ccbl2 hyperv-daemons 5.15.87.1-1",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 hyperv-daemons 5.15.87.1-1",
                "product": {
                  "name": "cbl2 hyperv-daemons 5.15.87.1-1",
                  "product_id": "18005"
                }
              }
            ],
            "category": "product_name",
            "name": "hyperv-daemons"
          },
          {
            "branches": [
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                "category": "product_version_range",
                "name": "\u003ccm1 kernel 5.10.177.1-1",
                "product": {
                  "name": "\u003ccm1 kernel 5.10.177.1-1",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 kernel 5.10.177.1-1",
                "product": {
                  "name": "cm1 kernel 5.10.177.1-1",
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                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 kernel 5.15.107.1-2",
                "product": {
                  "name": "\u003ccbl2 kernel 5.15.107.1-2",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 kernel 5.15.107.1-2",
                "product": {
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                  "product_id": "17903"
                }
              }
            ],
            "category": "product_name",
            "name": "kernel"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
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        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 hyperv-daemons 5.10.174.1-1 as a component of CBL Mariner 1.0",
          "product_id": "16820-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "16820"
      },
      {
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        "full_product_name": {
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        },
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      },
      {
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      },
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        "relates_to_product_reference": "17086"
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        },
        "product_reference": "17903",
        "relates_to_product_reference": "17086"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-4379",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "general",
          "text": "redhat",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "18480-16820",
          "17902-16820",
          "18005-17086",
          "17903-17086"
        ],
        "known_affected": [
          "16820-1",
          "16820-4",
          "17086-2",
          "17086-3"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2022-4379 A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2022-4379.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-01-14T00:00:00.000Z",
          "details": "5.10.174.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-1"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-01-14T00:00:00.000Z",
          "details": "5.10.177.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-4"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-01-14T00:00:00.000Z",
          "details": "5.15.87.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-2"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-01-14T00:00:00.000Z",
          "details": "5.15.107.1-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-3"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalsScore": 0.0,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "16820-1",
            "16820-4",
            "17086-2",
            "17086-3"
          ]
        }
      ],
      "title": "A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial"
    }
  ]
}


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