{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "23020f04932701d5c8363e60756f12b43b8ed752"
            },
            {
              "fixed": "c0cfce4d76702dba9601a4020df1a0bc35806efc"
            },
            {
              "fixed": "9b5d56fe389d68ede080c716e6f10895facaf7db"
            },
            {
              "fixed": "3309965fe44c00fd65af7cef5016e9e782c021a7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.11.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63859.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()\n\nSimilar to airoha_qdma_cleanup_rx_queue(), reset DMA TX descriptors in\nairoha_qdma_cleanup_tx_queue routine. Moreover, reset TX_DMA_IDX to\nTX_CPU_IDX to notify the NIC the QDMA TX ring is empty.",
  "id": "CVE-2026-63859",
  "modified": "2026-08-12T03:51:15.388620150Z",
  "published": "2026-07-19T14:04:47.572Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3309965fe44c00fd65af7cef5016e9e782c021a7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b5d56fe389d68ede080c716e6f10895facaf7db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0cfce4d76702dba9601a4020df1a0bc35806efc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63859.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63859"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()"
}