CVE-2023-2163
Vulnerability from cvelistv5
Published
2023-09-20 05:02
Modified
2024-08-09 19:05
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Summary
Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation
References
cve-coordination@google.comhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fedMailing List, Patch
Impacted products
LinuxLinux Kernel
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-09T19:05:37.091Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "technical-description"
            ],
            "url": "https://bughunters.google.com/blog/6303226026131456/a-deep-dive-into-cve-2023-2163-how-we-found-and-fixed-an-ebpf-linux-kernel-vulnerability"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed"
          }
        ],
        "title": "CVE Program Container",
        "x_generator": {
          "engine": "ADPogram 0.0.1"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux Kernel",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "71b547f561247897a0a14f3082730156c0533fed",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIncorrect verifier pruning\u0026nbsp;\u003c/span\u003ein BPF in Linux Kernel\u0026nbsp;\u0026gt;=5.4\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eleads to unsafe\u003c/span\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ecode paths being incorrectly marked as safe, resulting in\u003c/span\u003e\u0026nbsp;arbitrary read/write in\u003cbr\u003ekernel memory, lateral privilege escalation, and container escape.\u003cbr\u003e"
            }
          ],
          "value": "Incorrect verifier pruning\u00a0in BPF in Linux Kernel\u00a0\u003e=5.4\u00a0leads to unsafe\ncode paths being incorrectly marked as safe, resulting in\u00a0arbitrary read/write in\nkernel memory, lateral privilege escalation, and container escape."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-682",
              "description": "CWE-682 Incorrect Calculation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-21T03:43:35.053Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2023-2163",
    "datePublished": "2023-09-20T05:02:38.155Z",
    "dateReserved": "2023-04-18T18:22:35.441Z",
    "dateUpdated": "2024-08-09T19:05:37.091Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-2163\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2023-09-20T06:15:10.233\",\"lastModified\":\"2024-05-21T04:15:11.240\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Incorrect verifier pruning\u00a0in BPF in Linux Kernel\u00a0\u003e=5.4\u00a0leads to unsafe\\ncode paths being incorrectly marked as safe, resulting in\u00a0arbitrary read/write in\\nkernel memory, lateral privilege escalation, and container escape.\"},{\"lang\":\"es\",\"value\":\"La poda incorrecta del verificador en BPF en el kernel de Linux \u0026gt;=5.4 conduce a que las rutas de c\u00f3digo inseguras se marquen incorrectamente como seguras, lo que resulta en lectura/escritura arbitraria en la memoria del kernel, escalada de privilegios lateral y escape de contenedor.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.0,\"impactScore\":6.0},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":10.0,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.8}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-682\"}]},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-682\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3\",\"versionEndExcluding\":\"5.4.242\",\"matchCriteriaId\":\"9C1E37DC-B08A-4CB0-B689-FE26E2B39375\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.179\",\"matchCriteriaId\":\"3567B8E6-5C31-435F-95D1-6A2BB44CB9D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.109\",\"matchCriteriaId\":\"4C603326-394E-408E-B5E1-011979F7BD9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.26\",\"matchCriteriaId\":\"23989D73-416D-4C1B-8D9D-2A43A43DA115\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.13\",\"matchCriteriaId\":\"BFF8B56C-0201-4D6A-901E-C9C643C04FF6\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.