gsd-2022-27666
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2022-27666",
    "description": "In the Linux kernel before 5.16.15, there is a buffer overflow in ESP transformation in net/ipv4/esp4.c and net/ipv6/esp6.c via a large message. In some configurations, local users can gain privileges by overwriting kernel heap objects.",
    "id": "GSD-2022-27666",
    "references": [
      "https://advisories.mageia.org/CVE-2022-27666.html",
      "https://www.suse.com/security/cve/CVE-2022-27666.html",
      "https://ubuntu.com/security/CVE-2022-27666",
      "https://alas.aws.amazon.com/cve/html/CVE-2022-27666.html",
      "https://security.archlinux.org/CVE-2022-27666",
      "https://www.debian.org/security/2022/dsa-5127",
      "https://linux.oracle.com/cve/CVE-2022-27666.html",
      "https://access.redhat.com/errata/RHSA-2022:4809",
      "https://access.redhat.com/errata/RHSA-2022:4829",
      "https://access.redhat.com/errata/RHSA-2022:4835",
      "https://access.redhat.com/errata/RHSA-2022:4924",
      "https://access.redhat.com/errata/RHSA-2022:4942",
      "https://www.debian.org/security/2022/dsa-5173",
      "https://access.redhat.com/errata/RHSA-2022:5214",
      "https://access.redhat.com/errata/RHSA-2022:5219",
      "https://access.redhat.com/errata/RHSA-2022:5220",
      "https://access.redhat.com/errata/RHSA-2022:5224",
      "https://access.redhat.com/errata/RHSA-2022:5249",
      "https://access.redhat.com/errata/RHSA-2022:5267",
      "https://access.redhat.com/errata/RHSA-2022:5316",
      "https://access.redhat.com/errata/RHSA-2022:5344",
      "https://access.redhat.com/errata/RHSA-2022:5476",
      "https://access.redhat.com/errata/RHSA-2022:5678"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "id": "GSD-2022-27666",
      "modified": "2023-12-13T01:19:41.112872Z",
      "schema_version": "1.4.0"
    }
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      "impact": {
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
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          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
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        "baseMetricV3": {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "exploitabilityScore": 1.8,
          "impactScore": 5.9
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      },
      "lastModifiedDate": "2023-02-01T14:32Z",
      "publishedDate": "2022-03-23T06:15Z"
    }
  }
}


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