{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fa3c2f8d9152344a478abb847081c1b5f84a94f5"
            },
            {
              "fixed": "59489ce60d7412ed82fb1d8002faa3102dcd4916"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e"
            },
            {
              "fixed": "6c92392602b451e3869f15ab685f8f650e942b13"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "f975a0955276579e2176a134366ed586071c7c6a"
            },
            {
              "fixed": "87c2302813abc55c46485711a678e3c312b00666"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.16"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.6"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43440.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc-\u003eservice_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup.",
  "id": "CVE-2026-43440",
  "modified": "2026-07-08T05:39:22.874383015Z",
  "published": "2026-05-08T14:22:09.334Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43440.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43440"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "net/mana: Null service_wq on setup error to prevent double destroy"
}