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.
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Affected Vendors & Products
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History
Sat, 21 Jun 2025 12:45:00 +0000
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cvssV3_1
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Wed, 18 Jun 2025 09:45:00 +0000
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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. | |
Title | ptp: ocp: Limit signal/freq counts in summary output functions | |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-06-18T09:33:34.686Z
Reserved: 2025-04-16T04:51:23.979Z
Link: CVE-2025-38054

No data.

Status : Awaiting Analysis
Published: 2025-06-18T10:15:38.083
Modified: 2025-06-18T13:46:52.973
Link: CVE-2025-38054
