{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-48757",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48757",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-06-20T11:13:36.529Z",
    "updatedAt": "2026-05-11T18:46:20.699Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "net: fix information leakage in /proc/net/ptype",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\n\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f88c78d24f6f346919007cd459fd7e51a8c7779"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be1ca30331c7923c6f376610c1bd6059be9b1908"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c38023032a598ec6263e008d62c7f02def72d5c7"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b67ad6170c0ea87391bb253f35d1f78857736e54"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e372ecd455b6ebc7720f52bf4b5f5d44d02f2092"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "db044d97460ea792110eb8b971e82569ded536c6"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e43669c77cb3a742b7d84ecdc7c68c4167a7709b"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "839ec7039513a4f84bfbaff953a9393471176bee"
            },
            {
              "version": "2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47934e06b65637c88a762d9c98329ae6e3238888"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.26",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.26"
            },
            {
              "version": "4.4.302",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.300",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.265",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.228",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.96",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}