{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a9ffda88be7416b8336f644806c2b3ed3ce08b26"
            },
            {
              "fixed": "a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a"
            },
            {
              "fixed": "df2e90d6a9955510f24f1dada78cfc439fd9fa88"
            },
            {
              "fixed": "d616bb10de79e5c2bd8a24230a1128aeaf715615"
            },
            {
              "fixed": "ed4168d1a50fef5be8eca947fbbf05a28507d265"
            },
            {
              "fixed": "d16827cb1d3936f7627d0da6044483f743ebde03"
            },
            {
              "fixed": "658d2e46c2e9a8eb9b80c5e803ce3c89885b3366"
            },
            {
              "fixed": "908b92231e1ded53e43fcfad5e0704d83e1b803c"
            },
            {
              "fixed": "c623b63580880cc742255eaed3d79804c1b91143"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46180.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task\n\nWatchdog task might end between send_sig() and kthread_stop() calls, what\nresults in the use-after-free issue. Fix this by increasing watchdog task\nreference count before calling send_sig() and dropping it by switching to\nkthread_stop_put().",
  "id": "CVE-2026-46180",
  "modified": "2026-07-08T05:39:15.676501801Z",
  "published": "2026-05-28T09:36:33.904Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46180.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46180"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task"
}