gsd-2023-32629
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels
Aliases
Aliases
CVE-2023-32629


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-32629",
    "id": "GSD-2023-32629"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-32629"
      ],
      "details": "Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels",
      "id": "GSD-2023-32629",
      "modified": "2023-12-13T01:20:23.233739Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@ubuntu.com",
        "ID": "CVE-2023-32629",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Ubuntu Kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unaffected",
                            "versions": [
                              {
                                "lessThan": "6.2.0-26.26",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "semver"
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                      ]
                    }
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                ]
              },
              "vendor_name": "Canonical"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Shir Tamari"
        },
        {
          "lang": "en",
          "value": "Sagi Tzadik"
        }
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          }
        ]
      },
      "impact": {
        "cvss": [
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "problemtype": {
        "problemtype_data": [
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              {
                "cweId": "CWE-863",
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                "value": "CWE-863"
              }
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          }
        ]
      },
      "references": {
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          {
            "name": "https://ubuntu.com/security/notices/USN-6250-1",
            "refsource": "MISC",
            "url": "https://ubuntu.com/security/notices/USN-6250-1"
          },
          {
            "name": "https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html",
            "refsource": "MISC",
            "url": "https://lists.ubuntu.com/archives/kernel-team/2023-July/140920.html"
          },
          {
            "name": "https://wiz.io/blog/ubuntu-overlayfs-vulnerability",
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            "url": "https://wiz.io/blog/ubuntu-overlayfs-vulnerability"
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            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629"
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          {
            "name": "http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html",
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            "url": "http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html"
          }
        ]
      },
      "work_around": [
        {
          "lang": "en",
          "value": "If not needed, disable the ability for unprivileged users\nto create namespaces. To do this temporarily, do:\n  sudo sysctl -w kernel.unprivileged_userns_clone=0\nTo disable across reboots, do:\n  echo kernel.unprivileged_userns_clone=0 | \\\n  sudo tee /etc/sysctl.d/99-disable-unpriv-userns.conf"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
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          "ID": "CVE-2023-32629"
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        "description": {
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            }
          ]
        },
        "problemtype": {
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              "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629",
              "refsource": "MISC",
              "tags": [
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              "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32629"
            },
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            },
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              "name": "http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html",
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            }
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      },
      "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-09-11T19:15Z",
      "publishedDate": "2023-07-26T02:15Z"
    }
  }
}


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