github - ghsa-wmh9-52hx-xj2c

GHSA-WMH9-52HX-XJ2C

Vulnerability from github – Published: 2022-09-02 00:01 – Updated: 2022-09-10 00:00

Details

A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().

Severity ?

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2020-27784"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-201",
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-09-01T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().",
  "id": "GHSA-wmh9-52hx-xj2c",
  "modified": "2022-09-10T00:00:31Z",
  "published": "2022-09-02T00:01:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27784"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1"
    }
  ],
  "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-2020-27784 (GCVE-0-2020-27784)

Vulnerability from cvelistv5 – Published: 2022-09-01 17:56 – Updated: 2024-08-04 16:25

Summary

Severity ?

No CVSS data available.

CWE

CWE-201

Assigner

redhat

References

URL

Tags

https://git.kernel.org/pub/scm/linux/kernel/git/t…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	kernel	Affected: unknown

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JSON

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          "dateUpdated": "2024-08-04T16:25:42.472Z",
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            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
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          "vendor": "n/a",
          "versions": [
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      "problemTypes": [
        {
          "descriptions": [
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              "type": "CWE"
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      "providerMetadata": {
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                      "version": {
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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-WMH9-52HX-XJ2C

CVE-2020-27784 (GCVE-0-2020-27784)

Tags

Sightings

Nomenclature