Description
In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Limit signal/freq counts in summary output functions The debugfs summary output could access uninitialized elements in the freq_in[] and signal_out[] arrays, causing NULL pointer dereferences and triggering a kernel Oops (page_fault_oops). This patch adds u8 fields (nr_freq_in, nr_signal_out) to track the number of initialized elements, with a maximum of 4 per array. The summary output functions are updated to respect these limits, preventing out-of-bounds access and ensuring safe array handling. Widen the label variables because the change confuses GCC about max length of the strings.
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
15.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-908
Status
published
Products (4)
linux/Kernel
6.13.0 - 6.14.9linux
linux/Kernel
6.9.0 - 6.12.31linux
linux/linux_kernel
6.15 rc1 (7 CPE variants)
linux/linux_kernel
6.9 - 6.12.31
Published
Jun 18, 2025
Tracked Since
Feb 18, 2026