Vulnerability-Lookup

GHSA-VWGF-GFHW-H447

Vulnerability from github – Published: 2022-05-24 17:42 – Updated: 2022-06-02 00:00

Details

A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.

Severity ?

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-20226"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-02-23T17:15:00Z",
    "severity": "HIGH"
  },
  "details": "A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.",
  "id": "GHSA-vwgf-gfhw-h447",
  "modified": "2022-06-02T00:00:24Z",
  "published": "2022-05-24T17:42:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20226"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1873476"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210401-0001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-20226 (GCVE-0-2021-20226)

Vulnerability from cvelistv5 – Published: 2021-02-23 16:36 – Updated: 2024-08-03 17:30

Summary

Severity ?

No CVSS data available.

CWE

CWE-416

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=1873476	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2021040…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	kernel	Affected: kernel 5.10

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-VWGF-GFHW-H447

CVE-2021-20226 (GCVE-0-2021-20226)

Tags

Sightings

Nomenclature