CVE-2026-74329
2026-08-15
06h22 +00:00
06h22 +00:00
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Deskripsi CVE
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.
