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CVE-2022-1974

Full vulnerability record from the local CVENow database.

Description

A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information.

Severity
MEDIUM
CVSS score
4.1 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2022-08-31 16:15:10.007000
Last modified
2026-11-02 19:17:47.817000
View original CVE JSON
{
  "id": "CVE-2022-1974",
  "sourceIdentifier": "[email protected]",
  "published": "2022-08-31T16:15:10.007",
  "lastModified": "2026-11-02T19:17:47.817",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. This vulnerability allows a local attacker with CAP_NET_ADMIN privilege to leak kernel information."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo de uso de memoria previamente liberada en la funcionalidad del núcleo NFC del kernel de Linux debido a una condición de carrera entre la creación y el borrado de kobject. Esta vulnerabilidad permite a un atacante local con privilegios CAP_NET_ADMIN filtrar información del kernel"
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Linux kernel",
          "versions": [
            {
              "version": "Linux kernel 5.18 rc6",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 4.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 3.6
      }
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  "references": [
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      "url": "https://github.com/torvalds/linux/commit/da5c0f119203ad9728920456a0f52a6d850c01cd",
      "source": "[email protected]",
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