gsd-2021-27365
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-27365",
    "description": "An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.",
    "id": "GSD-2021-27365",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-27365.html",
      "https://access.redhat.com/errata/RHSA-2021:1532",
      "https://access.redhat.com/errata/RHSA-2021:1531",
      "https://access.redhat.com/errata/RHSA-2021:1379",
      "https://access.redhat.com/errata/RHSA-2021:1377",
      "https://access.redhat.com/errata/RHSA-2021:1376",
      "https://access.redhat.com/errata/RHSA-2021:1373",
      "https://access.redhat.com/errata/RHSA-2021:1295",
      "https://access.redhat.com/errata/RHSA-2021:1289",
      "https://access.redhat.com/errata/RHSA-2021:1288",
      "https://access.redhat.com/errata/RHSA-2021:1279",
      "https://access.redhat.com/errata/RHSA-2021:1272",
      "https://access.redhat.com/errata/RHSA-2021:1267",
      "https://access.redhat.com/errata/RHSA-2021:1173",
      "https://access.redhat.com/errata/RHSA-2021:1171",
      "https://access.redhat.com/errata/RHSA-2021:1093",
      "https://access.redhat.com/errata/RHSA-2021:1081",
      "https://access.redhat.com/errata/RHSA-2021:1071",
      "https://access.redhat.com/errata/RHSA-2021:1070",
      "https://access.redhat.com/errata/RHSA-2021:1069",
      "https://ubuntu.com/security/CVE-2021-27365",
      "https://advisories.mageia.org/CVE-2021-27365.html",
      "https://security.archlinux.org/CVE-2021-27365",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-27365.html",
      "https://linux.oracle.com/cve/CVE-2021-27365.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
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        "CVE-2021-27365"
      ],
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      "id": "GSD-2021-27365",
      "modified": "2023-12-13T01:23:35.857455Z",
      "schema_version": "1.4.0"
    }
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      "impact": {
        "baseMetricV2": {
          "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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "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"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-12-10T18:13Z",
      "publishedDate": "2021-03-07T05:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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