CVE-2025-21822

ptp: vmclock: Set driver data before its usage

Description

In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: Set driver data before its usage If vmclock_ptp_register() fails during probing, vmclock_remove() is called to clean up the ptp clock and misc device. It uses dev_get_drvdata() to access the vmclock state. However the driver data is not yet set at this point. Assign the driver data earlier.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/6dbd8b91a065d1d8001446a28e72cd140f9acef0
https://git.kernel.org/stable/c/f7d07cd4f77d77f366c8ffbb8ba8b61f614e5fce

Frequently Asked Questions

What is the severity of CVE-2025-21822?: CVE-2025-21822 has not yet been assigned a CVSS score.
How to fix CVE-2025-21822?: To fix CVE-2025-21822, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21822 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-21822 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21822?: CVE-2025-21822 affects Linux Linux, Linux Linux.

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