Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-21814

In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure info->enable callback is always set The ioctl and sysfs handlers unconditionally call the ->enable callback. Not all drivers implement that callback, leading to NULL dereferences. Example of affected drivers: ptp_s390.c, ptp_vclock.c and ptp_mock.c. Instead use a dummy callback if no better was specified by the driver.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.0%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2025-21814


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