CVE-2025-68752

Linux Kernel - NULL Pointer Dereference via PTP Clock settime64

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: iavf: Implement settime64 with -EOPNOTSUPP ptp_clock_settime() assumes every ptp_clock has implemented settime64(). Stub it with -EOPNOTSUPP to prevent a NULL dereference. The fix is similar to commit 329d050bbe63 ("gve: Implement settime64 with -EOPNOTSUPP").

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/9e3dbc3bb2e2aa728b49422b2e5344488f93f690

Patch

https://git.kernel.org/stable/c/6d080f810ffd6b8e002ce5bee8b9c551ca2535c2

Patch

https://git.kernel.org/stable/c/1e43ebcd5152b3e681a334cc6542fb21770c3a2e

Scores

EPSS 0.0003

EPSS Percentile 9.7%

Details

Status published

Products (10)

linux/Kernel 6.15.0 - 6.17.13linux

linux/Kernel 6.18.0 - 6.18.2linux

Linux/Linux < 6.15

Linux/Linux 6.15

Linux/Linux 6.17.13 - 6.17.*

Linux/Linux 6.18.2 - 6.18.*

Linux/Linux 6.19

Linux/Linux d734223b2f0dc4f5826204ee628ad6273148223d - 1e43ebcd5152b3e681a334cc6542fb21770c3a2e

Linux/Linux d734223b2f0dc4f5826204ee628ad6273148223d - 6d080f810ffd6b8e002ce5bee8b9c551ca2535c2

Linux/Linux d734223b2f0dc4f5826204ee628ad6273148223d - 9e3dbc3bb2e2aa728b49422b2e5344488f93f690

Published Jan 05, 2026

Tracked Since Feb 18, 2026