{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "5.10"
              },
              {
                "fixed": "5.10.37"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "5.11"
              },
              {
                "fixed": "5.11.21"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "5.12"
              },
              {
                "fixed": "5.12.4"
              }
            ]
          }
        ]
      }
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: fix potential DMA mapping leak\n\nWith buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap\ncould potentially inherit a non-zero value from stack garbage.\nIf this happens, it will cause DMA mappings for MCU command frames to not be\nunmapped after completion",
  "id": "CVE-2021-47064",
  "modified": "2026-03-15T13:46:22.684982556Z",
  "published": "2024-02-29T23:15:07.947Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/91b9548d413fda488ea853cd1b9f59b572db3a0c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9b68ce2856dadc0e1cb6fd21fbeb850da49efd08"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9fa26701cd1fc4d932d431971efc5746325bdfce"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b4403cee6400c5f679e9c4a82b91d61aa961eccf"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}