github - ghsa-4hgp-5v89-5fhw

ghsa-4hgp-5v89-5fhw

Vulnerability from github

Published

2022-08-24 00:00

Modified

2023-07-10 21:30

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Show details on source website

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  "affected": [],
  "aliases": [
    "CVE-2021-3759"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-08-23T16:15:00Z",
    "severity": "MODERATE"
  },
  "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": "GHSA-4hgp-5v89-5fhw",
  "modified": "2023-07-10T21:30:55Z",
  "published": "2022-08-24T00:00:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3759"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-3759"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1999675"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-3759 (GCVE-0-2021-3759)

Vulnerability from cvelistv5

Published

2022-08-23 00:00

Modified

2024-08-03 17:09

Severity ?

CWE

CWE-400 - - Uncontrolled Resource Consumption

Summary

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.

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1999675
	https://access.redhat.com/security/cve/CVE-2021-3759
	https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive%40gmail.com/
	https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html	mailing-list

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: Fixed in Linux kernel 5.15-rc1

Show details on NVD website

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