« Volver al listado

CVE-2022-49020

Estado: AnalizadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

net/9p: Fix a potential socket leak in p9_socket_open

Both p9_fd_create_tcp() and p9_fd_create_unix() will call p9_socket_open(). If the creation of p9_trans_fd fails, p9_fd_create_tcp() and p9_fd_create_unix() will return an error directly instead of releasing the cscoket, which will result in a socket leak.

This patch adds sock_release() to fix the leak issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-49020",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-49020",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-22T13:12:42.990180Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "0396227f4daf4792a6a8aaa3b7771dc25c4cd443",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "ded893965b895b2dccd3d1436d8d3daffa23ea64",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "8b14bd0b500aec1458b51cb621c8e5fab3304260",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "2d24d91b9f44620824fc37b766f7cae00ca32748",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "e01c1542379fb395e7da53706df598f38905dfbf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "8782b32ef867de7981bbe9e86ecb90e92e8780bd",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "aa08323fe18cb7cf95317ffa2d54ca1de8e74ebd",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6b18662e239a032f908b7f6e164bdf7e2e0a32c9",
              "lessThan": "dcc14cfd7debe11b825cb077e75d91d2575b4cb8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "net/9p/trans_fd.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.33"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "2.6.33",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.9.335",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "status": "unaffected",
              "version": "4.14.301",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "status": "unaffected",
              "version": "4.19.268",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.226",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.158",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.82",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.12",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/9p/trans_fd.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2024-10-21T20:15:13.100",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0396227f4daf4792a6a8aaa3b7771dc25c4cd443",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/2d24d91b9f44620824fc37b766f7cae00ca32748",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8782b32ef867de7981bbe9e86ecb90e92e8780bd",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8b14bd0b500aec1458b51cb621c8e5fab3304260",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/aa08323fe18cb7cf95317ffa2d54ca1de8e74ebd",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/dcc14cfd7debe11b825cb077e75d91d2575b4cb8",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ded893965b895b2dccd3d1436d8d3daffa23ea64",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e01c1542379fb395e7da53706df598f38905dfbf",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/9p: Fix a potential socket leak in p9_socket_open\n\nBoth p9_fd_create_tcp() and p9_fd_create_unix() will call\np9_socket_open(). If the creation of p9_trans_fd fails,\np9_fd_create_tcp() and p9_fd_create_unix() will return an\nerror directly instead of releasing the cscoket, which will\nresult in a socket leak.\n\nThis patch adds sock_release() to fix the leak issue."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/9p: Se soluciona una posible fuga de socket en p9_socket_open Tanto p9_fd_create_tcp() como p9_fd_create_unix() llamarán a p9_socket_open(). Si la creación de p9_trans_fd fallo, p9_fd_create_tcp() y p9_fd_create_unix() devolverán un error directamente en lugar de liberar el cscoket, lo que provocará una fuga de socket. Este parche agrega sock_release() para solucionar el problema de la fuga."
    }
  ],
  "lastModified": "2026-06-17T05:16:51.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "136F2799-F7E6-44CC-9C33-543F433340FC",
              "versionEndExcluding": "4.9.335",
              "versionStartIncluding": "2.6.33"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0EE18A3A-1E78-44D6-9FDB-B267E4819993",
              "versionEndExcluding": "4.14.301",
              "versionStartIncluding": "4.10"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "04705C94-71FA-46AB-AF73-B551892B0EBA",
              "versionEndExcluding": "4.19.268",
              "versionStartIncluding": "4.15"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "274F5087-5805-4D03-8C74-8517300658F1",
              "versionEndExcluding": "5.4.226",
              "versionStartIncluding": "4.20"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D0FB1AF1-0A0B-4419-B25F-C61F17380E18",
              "versionEndExcluding": "5.10.158",
              "versionStartIncluding": "5.5"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DC20DB6-73C1-4465-B931-117BFB8EBB02",
              "versionEndExcluding": "5.15.82",
              "versionStartIncluding": "5.11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D6D56E90-F3EE-413D-B3E2-B518932F0C7D",
              "versionEndExcluding": "6.0.12",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3FFFB0B3-930D-408A-91E2-BAE0C2715D80"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8535320E-A0DB-4277-800E-D0CE5BBA59E8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}