{
  "id": "CVE-2023-28464",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-03-31T16:15:07.557",
  "lastModified": "2023-05-17T20:15:09.987",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "6.2.9",
              "matchCriteriaId": "0FEAFDFB-03C3-4318-8D71-653F609A3F90"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://lore.kernel.org/lkml/20230309074645.74309-1-wzhmmmmm@gmail.com/",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230517-0004/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2023/03/28/2",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch"
      ]
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2023/03/28/3",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ]
    }
  ]
}