{
  "id": "CVE-2023-28577",
  "sourceIdentifier": "product-security@qualcomm.com",
  "published": "2023-08-08T10:15:14.760",
  "lastModified": "2023-08-08T12:51:11.140",
  "vulnStatus": "Awaiting Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a function called cam_mem_get_cpu_buf to get the kernel va to use, another thread can call CAM_REQ_MGR_RELEASE_BUF to unmap the kernel va which cause UAF of the kernel address."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "product-security@qualcomm.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ]
  },
  "references": [
    {
      "url": "https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin",
      "source": "product-security@qualcomm.com"
    }
  ]
}