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VULNERABILITIES

CVE-2026-74329 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/298821692d447c2f7b1bc9ef41cd88a31bf56436 kernel.org
https://git.kernel.org/stable/c/5d9b58ec6f5de5e159a570d419b1b08b3b9f854b kernel.org
https://git.kernel.org/stable/c/89184909634e50d086d86d8a0c03fc86fe8d889f kernel.org
https://git.kernel.org/stable/c/a298c7302ee9584a7a1ac1e8acbede8d98ab51a4 kernel.org
https://git.kernel.org/stable/c/c70b5bb6f04f77ef90e047d7edc2f476e206909f kernel.org

see all 7 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74329
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-74329 Details - Not Deferred