« Volver al listado

CVE-2022-49344

Estado: ModificadaMedia (4.7)—

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

af_unix: Fix a data-race in unix_dgram_peer_wake_me().

unix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s lock held and check if its receive queue is full. Here we need to use unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise KCSAN will report a data-race.

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-2022-49344",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-49344",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-01T19:42:59.516016Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      }
    ]
  },
  "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": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "95f0ba806277733bf6024e23e27e1be773701cca",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "556720013c36c193d9cbfb06e7b33e51f0c39fbf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "c61848500a3fd6867dfa4834b8c7f97133eceb9f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "c926ae58f24f7bd55aa2ea4add9f952032507913",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "71e8bfc7f838cabc60cba24e09ca84c4f8321ab2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "8801eb3ccd2e4e3b1a01449383e3321ae6dbd9d6",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "7d267278a9ece963d77eefec61630223fce08c6c",
              "lessThan": "662a80946ce13633ae90a55379f1346c10f0c432",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "60bc010667ef06e0fb08d5ec599c0977adc2ac72",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "a3b0f6e8a21ef02f69a15abac440572d8cde8c2a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "ec54d5ae9d298abf01c273233de9f2bc25d80475",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "da8db0830a2ce63f628150307a01a315f5081202",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9964b4c4ee925b2910723e509abd7241cff1ef84",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9d054f57adc981a5f503d5eb9b259aa450b90dc5",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "72032798034d921ed565e3bf8dfdc3098f6473e2",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5c77e26862ce604edea05b3442ed765e9756fe0f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "bad967fdd8ecbdd171f5f243657be033d2d081a7",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "58a6a46a036ce81a2a8ecaa6fc1537c894349e3f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2.6.32.70",
              "lessThan": "2.6.33",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.2.75",
              "lessThan": "3.3",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.4.111",
              "lessThan": "3.5",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.10.95",
              "lessThan": "3.11",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.12.52",
              "lessThan": "3.13",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.14.59",
              "lessThan": "3.15",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "3.18.26",
              "lessThan": "3.19",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.1.15",
              "lessThan": "4.2",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.2.8",
              "lessThan": "4.3",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "4.3.3",
              "lessThan": "4.4",
              "versionType": "semver"
            }
          ],
          "programFiles": [
            "net/unix/af_unix.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.19.247",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.198",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.122",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.47",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "5.17.15",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "status": "unaffected",
              "version": "5.18.4",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "status": "unaffected",
              "version": "5.19",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/unix/af_unix.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-02-26T07:01:11.140",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/556720013c36c193d9cbfb06e7b33e51f0c39fbf",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/662a80946ce13633ae90a55379f1346c10f0c432",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/71e8bfc7f838cabc60cba24e09ca84c4f8321ab2",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8801eb3ccd2e4e3b1a01449383e3321ae6dbd9d6",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/95f0ba806277733bf6024e23e27e1be773701cca",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c61848500a3fd6867dfa4834b8c7f97133eceb9f",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c926ae58f24f7bd55aa2ea4add9f952032507913",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Fix a data-race in unix_dgram_peer_wake_me().\n\nunix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s\nlock held and check if its receive queue is full.  Here we need to\nuse unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise\nKCSAN will report a data-race."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: af_unix: Se solucionó una ejecución de datos en unix_dgram_peer_wake_me(). unix_dgram_poll() llama a unix_dgram_peer_wake_me() sin el bloqueo de `other` y verifica si su cola de recepción está llena. Aquí necesitamos usar unix_recvq_full_lockless() en lugar de unix_recvq_full(), de lo contrario KCSAN informará una ejecución de datos."
    }
  ],
  "lastModified": "2026-06-17T05:17:46.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5638A0E8-3156-4172-8646-A06234434789",
              "versionEndExcluding": "3.3",
              "versionStartIncluding": "3.2.75"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E52E1F3C-10B4-4F40-8A2A-9594BC2B215D",
              "versionEndExcluding": "3.5",
              "versionStartIncluding": "3.4.111"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EC5478BC-B6FF-4B04-987C-ADAEAE43CBA8",
              "versionEndExcluding": "3.11",
              "versionStartIncluding": "3.10.95"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "06C65A71-8C38-4C15-8A5D-CFA8D65BFCA0",
              "versionEndExcluding": "3.13",
              "versionStartIncluding": "3.12.52"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1A2F1110-C965-4944-9689-F1761C69A6D1",
              "versionEndExcluding": "3.15",
              "versionStartIncluding": "3.14.59"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "830AF0C0-9263-4CB8-A52B-833DA911C43B",
              "versionEndExcluding": "3.19",
              "versionStartIncluding": "3.18.26"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "30BD25FB-1AEB-4577-9EA8-05D01771198D",
              "versionEndExcluding": "4.2",
              "versionStartIncluding": "4.1.15"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ECDD7212-EFE8-403A-B34A-CE83B1E7139D",
              "versionEndExcluding": "4.3",
              "versionStartIncluding": "4.2.8"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AEFFC18C-45D7-41A2-B7D9-545D81B3F8D8",
              "versionEndExcluding": "4.19.247",
              "versionStartIncluding": "4.3.3"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3EC49633-14DE-4EBD-BB80-76AE2E3EABB9",
              "versionEndExcluding": "5.4.198",
              "versionStartIncluding": "4.20"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1B42AA01-44D8-4572-95E6-FF8E374CF9C5",
              "versionEndExcluding": "5.10.122",
              "versionStartIncluding": "5.5"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61",
              "versionEndExcluding": "5.15.47",
              "versionStartIncluding": "5.11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD",
              "versionEndExcluding": "5.17.15",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103",
              "versionEndExcluding": "5.18.4",
              "versionStartIncluding": "5.18"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}