gsd-2021-45486
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.
Aliases
Aliases
CVE-2021-45486


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-45486",
    "description": "In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.",
    "id": "GSD-2021-45486",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-45486.html",
      "https://ubuntu.com/security/CVE-2021-45486",
      "https://linux.oracle.com/cve/CVE-2021-45486.html",
      "https://access.redhat.com/errata/RHSA-2022:1975",
      "https://access.redhat.com/errata/RHSA-2022:1988",
      "https://access.redhat.com/errata/RHSA-2022:6983",
      "https://access.redhat.com/errata/RHSA-2022:6991"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-45486"
      ],
      "details": "In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.",
      "id": "GSD-2021-45486",
      "modified": "2023-12-13T01:23:19.888478Z",
      "schema_version": "1.4.0"
    }
  },
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          {
            "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4",
            "refsource": "MISC",
            "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4"
          },
          {
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            "url": "https://arxiv.org/pdf/2112.09604.pdf"
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            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba",
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            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
          }
        ]
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    },
    "nvd.nist.gov": {
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        "nodes": [
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                "cpe_name": [],
                "versionEndExcluding": "5.12.4",
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          "reference_data": [
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4",
              "refsource": "MISC",
              "tags": [
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              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 2.7,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 5.1,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.1,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-02-24T14:45Z",
      "publishedDate": "2021-12-25T02:15Z"
    }
  }
}


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