{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "11871aba19748b3387e83a2db6360aa7119e9a1a"
            },
            {
              "fixed": "73e940c4249dc5ec6422d1fae535d192fb125955"
            },
            {
              "fixed": "22e1ee9f22b5c3bb702bb6d4167d770002a85b2b"
            },
            {
              "fixed": "4941e234cfd67ac911fb259642b453f9f76aac41"
            },
            {
              "fixed": "076344a6ad9d1308faaed1402fdcfdda68b604ab"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.12.82"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.23"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31645.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lan966x: fix page pool leak in error paths\n\nlan966x_fdma_rx_alloc() creates a page pool but does not destroy it if\nthe subsequent fdma_alloc_coherent() call fails, leaking the pool.\n\nSimilarly, lan966x_fdma_init() frees the coherent DMA memory when\nlan966x_fdma_tx_alloc() fails but does not destroy the page pool that\nwas successfully created by lan966x_fdma_rx_alloc(), leaking it.\n\nAdd the missing page_pool_destroy() calls in both error paths.",
  "id": "CVE-2026-31645",
  "modified": "2026-07-15T01:48:59.049212533Z",
  "published": "2026-04-24T14:44:58.868Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/076344a6ad9d1308faaed1402fdcfdda68b604ab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22e1ee9f22b5c3bb702bb6d4167d770002a85b2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4941e234cfd67ac911fb259642b453f9f76aac41"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73e940c4249dc5ec6422d1fae535d192fb125955"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31645.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31645"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "net: lan966x: fix page pool leak in error paths"
}