gsd-2021-3759
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A memory overflow vulnerability was found in the Linux kernel’s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
CVE-2021-3759


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3759",
    "description": "A memory overflow vulnerability was found in the Linux kernel\u2019s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.",
    "id": "GSD-2021-3759",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3759.html",
      "https://ubuntu.com/security/CVE-2021-3759",
      "https://security.archlinux.org/CVE-2021-3759",
      "https://linux.oracle.com/cve/CVE-2021-3759.html",
      "https://access.redhat.com/errata/RHSA-2022:1975",
      "https://access.redhat.com/errata/RHSA-2022:1988"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3759"
      ],
      "details": "A memory overflow vulnerability was found in the Linux kernel\u2019s ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times, creating semaphores. This flaw allows a local user to starve the resources, causing a denial of service. The highest threat from this vulnerability is to system availability.",
      "id": "GSD-2021-3759",
      "modified": "2023-12-13T01:23:34.086295Z",
      "schema_version": "1.4.0"
    }
  },
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                    "product_name": "kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Fixed in Linux kernel 5.15-rc1"
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          }
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          },
          {
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            "refsource": "MLIST",
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            }
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-07-10T19:02Z",
      "publishedDate": "2022-08-23T16:15Z"
    }
  }
}


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