CVE-2026-74329None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: watchdog: unregister PM notifier on watchdog unregister watchdog_register_device() registers wdd->pm_nb when WDOG_NO_PING_ON_SUSPEND is set, but watchdog_unregister_de…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
watchdog: unregister PM notifier on watchdog unregister
watchdog_register_device() registers wdd->pm_nb when WDOG_NO_PING_ON_SUSPEND is set, but watchdog_unregister_device() does not remove it. This leaves an embedded notifier block on the PM notifier chain after the watchdog device has been unregistered.
A later suspend/resume notification can then call watchdog_pm_notifier() with a stale watchdog_device pointer, or at minimum after wdd->wd_data has been cleared by watchdog_dev_unregister().
Unregister the PM notifier before tearing down the watchdog device.
Linux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < cd2d1b1f99308f7680d75a377daaff363f1cc736Linux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < 5d9b58ec6f5de5e159a570d419b1b08b3b9f854bLinux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < 89184909634e50d086d86d8a0c03fc86fe8d889fLinux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < e690afea5c876a4abfa2978c6a664460ed7d1217Linux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < 298821692d447c2f7b1bc9ef41cd88a31bf56436Linux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < c70b5bb6f04f77ef90e047d7edc2f476e206909fLinux >= 60bcd91aafd22ef62cef9ae2037fa2e1d4da2fb3 < a298c7302ee9584a7a1ac1e8acbede8d98ab51a4Linux 5.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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