CVE-2025-21814
ptp: Ensure info->enable callback is always set
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
27 Feb 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://git.kernel.org/stable/c/1334c64a5d1de6666e0c9f984db6745083df1eb4https://git.kernel.org/stable/c/5d1041c76de656f9f8d5a192218039a9acf9bd00https://git.kernel.org/stable/c/755caf4ee1c615ee5717862e427124370f46b1f3https://git.kernel.org/stable/c/81846070cba17125a866e8023c01d3465b153339https://git.kernel.org/stable/c/8441aea46445252df5d2eed6deb6d5246fc24002https://git.kernel.org/stable/c/9df3a9284f39bfd51a9f72a6a165c79e2aa5066bhttps://git.kernel.org/stable/c/fd53aa40e65f518453115b6f56183b0c201db26bhttps://git.kernel.org/stable/c/fdc1e72487781dd7705bcbe30878bee7d5d1f3e8https://lists.debian.org/debian-lts-announce/2025/03/msg00028.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html