{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c33c997346c34ea7b89aec99524ad9632a2f1e0c"
            },
            {
              "fixed": "be109646cdaecab262f6276303b1763468c94378"
            },
            {
              "fixed": "c81a8515fb8c8fb5d0dbc21f48337494bf1d60df"
            },
            {
              "fixed": "a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4"
            },
            {
              "fixed": "c0ed6c77ec34050971fd0df2a94dfdea66d09331"
            },
            {
              "fixed": "1d4590fde856cb94bd9a46e795c29d8288c238fc"
            },
            {
              "fixed": "d028147ae06407cb355245db1774793600670169"
            },
            {
              "fixed": "926ede0c85e1e57c97d64d9612455267d597bb2c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.18.0"
            },
            {
              "fixed": "5.10.250"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.200"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.163"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.124"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.70"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23258.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: Initialize netdev pointer before queue setup\n\nIn setup_nic_devices(), the netdev is allocated using alloc_etherdev_mq().\nHowever, the pointer to this structure is stored in oct-\u003eprops[i].netdev\nonly after the calls to netif_set_real_num_rx_queues() and\nnetif_set_real_num_tx_queues().\n\nIf either of these functions fails, setup_nic_devices() returns an error\nwithout freeing the allocated netdev. Since oct-\u003eprops[i].netdev is still\nNULL at this point, the cleanup function liquidio_destroy_nic_device()\nwill fail to find and free the netdev, resulting in a memory leak.\n\nFix this by initializing oct-\u003eprops[i].netdev before calling the queue\nsetup functions. This ensures that the netdev is properly accessible for\ncleanup in case of errors.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review.",
  "id": "CVE-2026-23258",
  "modified": "2026-04-01T23:09:05.334510772Z",
  "published": "2026-03-18T17:41:05.080Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d4590fde856cb94bd9a46e795c29d8288c238fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/926ede0c85e1e57c97d64d9612455267d597bb2c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0e57c0b68c9e6f9a8fd7c1167861a5a730eb2f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be109646cdaecab262f6276303b1763468c94378"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0ed6c77ec34050971fd0df2a94dfdea66d09331"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c81a8515fb8c8fb5d0dbc21f48337494bf1d60df"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d028147ae06407cb355245db1774793600670169"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23258.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23258"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "net: liquidio: Initialize netdev pointer before queue setup"
}