nvd-json-data-feeds/CVE-2023/CVE-2023-529xx/CVE-2023-52915.json

{
  "id": "CVE-2023-52915",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-09-06T09:15:02.787",
  "lastModified": "2024-09-10T17:12:41.607",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer\n\nIn af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach af9035_i2c_master_xfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 0ed554fd769a\n(\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer En af9035_i2c_master_xfer, msg est\u00e1 controlado por el usuario. Cuando msg[i].buf es nulo y msg[i].len es cero, se pasar\u00edan las comprobaciones anteriores en msg[i].buf. Los datos maliciosos finalmente llegan a af9035_i2c_master_xfer. Si se accede a msg[i].buf[0] sin una comprobaci\u00f3n de cordura, se producir\u00eda una desreferencia nula de ptr. Agregamos una comprobaci\u00f3n en msg[i].len para evitar un bloqueo. Commit similar: commit 0ed554fd769a (\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")"
    }
  ],
  "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:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.14.326",
              "matchCriteriaId": "C67A42DD-BAE5-4A0C-9EB9-679ACF1CD6B2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.15",
              "versionEndExcluding": "4.19.295",
              "matchCriteriaId": "D419C7D6-F33D-4EF8-8950-1CB5DDF6A55D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.20",
              "versionEndExcluding": "5.4.257",
              "matchCriteriaId": "834BD148-28EC-43A4-A4F5-458124A1E39F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.5",
              "versionEndExcluding": "5.10.197",
              "matchCriteriaId": "FD17EA9A-DF74-4876-AADC-C204F0716961"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.11",
              "versionEndExcluding": "5.15.133",
              "matchCriteriaId": "21236FF3-9B2C-4C1A-8780-BC5BCA44AA51"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.16",
              "versionEndExcluding": "6.1.55",
              "matchCriteriaId": "0EFCF8E8-5528-46B9-8C17-B09792899CE0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.2",
              "versionEndExcluding": "6.5.5",
              "matchCriteriaId": "8CF71E85-DA24-4925-95C5-E5C15DA71AE6"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ]
    }
  ]
}