{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3"
            },
            {
              "fixed": "cd2d1b1f99308f7680d75a377daaff363f1cc736"
            },
            {
              "fixed": "5d9b58ec6f5de5e159a570d419b1b08b3b9f854b"
            },
            {
              "fixed": "89184909634e50d086d86d8a0c03fc86fe8d889f"
            },
            {
              "fixed": "e690afea5c876a4abfa2978c6a664460ed7d1217"
            },
            {
              "fixed": "298821692d447c2f7b1bc9ef41cd88a31bf56436"
            },
            {
              "fixed": "c70b5bb6f04f77ef90e047d7edc2f476e206909f"
            },
            {
              "fixed": "a298c7302ee9584a7a1ac1e8acbede8d98ab51a4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74329.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: unregister PM notifier on watchdog unregister\n\nwatchdog_register_device() registers wdd-\u003epm_nb when\nWDOG_NO_PING_ON_SUSPEND is set, but watchdog_unregister_device() does not\nremove it. This leaves an embedded notifier block on the PM notifier chain\nafter the watchdog device has been unregistered.\n\nA later suspend/resume notification can then call watchdog_pm_notifier()\nwith a stale watchdog_device pointer, or at minimum after wdd-\u003ewd_data has\nbeen cleared by watchdog_dev_unregister().\n\nUnregister the PM notifier before tearing down the watchdog device.",
  "id": "CVE-2026-74329",
  "modified": "2026-08-18T03:31:07.641654816Z",
  "published": "2026-08-15T05:58:23.059Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/298821692d447c2f7b1bc9ef41cd88a31bf56436"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d9b58ec6f5de5e159a570d419b1b08b3b9f854b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89184909634e50d086d86d8a0c03fc86fe8d889f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a298c7302ee9584a7a1ac1e8acbede8d98ab51a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c70b5bb6f04f77ef90e047d7edc2f476e206909f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd2d1b1f99308f7680d75a377daaff363f1cc736"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e690afea5c876a4abfa2978c6a664460ed7d1217"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74329.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74329"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "watchdog: unregister PM notifier on watchdog unregister"
}