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.

The following products are affected by CVE-2025-21814 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21814.

URL	Resource
https://git.kernel.org/stable/c/1334c64a5d1de6666e0c9f984db6745083df1eb4
https://git.kernel.org/stable/c/5d1041c76de656f9f8d5a192218039a9acf9bd00
https://git.kernel.org/stable/c/755caf4ee1c615ee5717862e427124370f46b1f3
https://git.kernel.org/stable/c/81846070cba17125a866e8023c01d3465b153339
https://git.kernel.org/stable/c/8441aea46445252df5d2eed6deb6d5246fc24002
https://git.kernel.org/stable/c/9df3a9284f39bfd51a9f72a6a165c79e2aa5066b
https://git.kernel.org/stable/c/fd53aa40e65f518453115b6f56183b0c201db26b
https://git.kernel.org/stable/c/fdc1e72487781dd7705bcbe30878bee7d5d1f3e8
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lore.kernel.org/linux-cve-announce/2025022709-CVE-2025-21814-d723@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-21814
https://www.cve.org/CVERecord?id=CVE-2025-21814