gsd-2022-47943
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.
Aliases
Aliases
CVE-2022-47943


To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-47943",
    "id": "GSD-2022-47943",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-47943.html",
      "https://security.archlinux.org/CVE-2022-47943"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-47943"
      ],
      "details": "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.",
      "id": "GSD-2022-47943",
      "modified": "2023-12-13T01:19:36.527949Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2022-47943",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case."
          }
        ]
      },
      "problemtype": {
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
          },
          {
            "name": "https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09",
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            "url": "https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09"
          },
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            "refsource": "MISC",
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2022/12/23/10",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2022/12/23/10"
          },
          {
            "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-1691/",
            "refsource": "MISC",
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1691/"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20230216-0006/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20230216-0006/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.18.18",
                "versionStartIncluding": "5.16",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.19.2",
                "versionStartIncluding": "5.19",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.15.62",
                "versionStartIncluding": "5.15",
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            "operator": "OR"
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      "cve": {
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          "ID": "CVE-2022-47943"
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        "description": {
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              "value": "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-125"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09",
              "refsource": "MISC",
              "tags": [
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              "url": "https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09"
            },
            {
              "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09",
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              "tags": [
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              "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09"
            },
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                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"
            },
            {
              "name": "[oss-security] 20221223 Re: Details on this supposed Linux Kernel ksmbd RCE",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2022/12/23/10"
            },
            {
              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-1691/",
              "refsource": "MISC",
              "tags": [
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              ],
              "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1691/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20230216-0006/",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20230216-0006/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2023-05-16T11:03Z",
      "publishedDate": "2022-12-23T17:15Z"
    }
  }
}


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