CVE-2022-42896
Vulnerability from cvelistv5
Published
2022-11-23 14:11
Modified
2024-08-03 13:19
Summary
Info Leak in l2cap_core in the Linux Kernel
Impacted products
LinuxLinux Kernel
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T13:19:05.444Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "kernel",
          "product": "Linux Kernel",
          "repo": "https://git.kernel.org",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "711f8c3fb3db61897080468586b970c87c61d9e4",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2022-11-02T23:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThere are use-after-free vulnerabilities in the Linux kernel\u0027s net/bluetooth/l2cap_core.c\u0027s l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.\u003c/span\u003e\u003cbr\u003e\u003c/span\u003e\u003c/span\u003e\u003cbr\u003eWe recommend upgrading past commit\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?q=https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e\u0026amp;sa=D\u0026amp;source=buganizer\u0026amp;usg=AOvVaw1MgsfyPTiSrqqs3LAs-ZRS\"\u003e\u003c/a\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?q=https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\u0026amp;sa=D\u0026amp;source=buganizer\u0026amp;usg=AOvVaw22K1DH0yRHxuiaUXy9_wmV\"\u003ehttps://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "There are use-after-free vulnerabilities in the Linux kernel\u0027s net/bluetooth/l2cap_core.c\u0027s l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth.\u00a0A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.\n\nWe recommend upgrading past commit\u00a0  https://www.google.com/url  https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url \n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-253",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-253 Remote Code Inclusion"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/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-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-23T14:13:44.351Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4"
        },
        {
          "url": "https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Info Leak in l2cap_core in the Linux Kernel",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2022-42896",
    "datePublished": "2022-11-23T14:11:56.811Z",
    "dateReserved": "2022-10-12T18:30:19.769Z",
    "dateUpdated": "2024-08-03T13:19:05.444Z",
    "requesterUserId": "ed9b5bb2-2df1-4aa3-9791-5fb260d88e62",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-42896\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2022-11-23T15:15:10.723\",\"lastModified\":\"2023-11-07T03:53:40.510\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"There are use-after-free vulnerabilities in the Linux kernel\u0027s net/bluetooth/l2cap_core.c\u0027s l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth.\u00a0A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.\\n\\nWe recommend upgrading past commit\u00a0  https://www.google.com/url  https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url \\n\\n\"},{\"lang\":\"es\",\"value\":\"Existen vulnerabilidades de use-after-free en las funciones l2cap_connect y l2cap_le_connect_req del kernel de Linux net/bluetooth/l2cap_core.c que pueden permitir la ejecuci\u00f3n de c\u00f3digo y la p\u00e9rdida de memoria del kernel (respectivamente) de forma remota a trav\u00e9s de Bluetooth. Un atacante remoto podr\u00eda ejecutar c\u00f3digo que filtre la memoria del kernel a trav\u00e9s de Bluetooth si se encuentra cerca de la v\u00edctima. Recomendamos actualizar al commit anterior \\nhttps://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.8}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.9.335\",\"matchCriteriaId\":\"136389E3-6553-4B2F-94DB-15BC9CE17183\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.301\",\"matchCriteriaId\":\"0EE18A3A-1E78-44D6-9FDB-B267E4819993\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.268\",\"matchCriteriaId\":\"04705C94-71FA-46AB-AF73-B551892B0EBA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.226\",\"matchCriteriaId\":\"274F5087-5805-4D03-8C74-8517300658F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.154\",\"matchCriteriaId\":\"475D097C-AB5A-4CF5-899F-413077854ABD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.78\",\"matchCriteriaId\":\"AB8B27B9-B41B-42D5-AE67-0A89A8A8EEB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.8\",\"matchCriteriaId\":\"EC9A754E-625D-42F3-87A7-960D643E2867\"}]}]}],\"references\":[{\"url\":\"https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

Sightings

Author Source Type Date

Nomenclature

  • 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.