DEBIAN-CVE-2025-38054
Record from OSV · Published June 18, 2025
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.
Fixed versions
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| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:14 | 6.12.32-1 |
| linux | Debian:13 | 6.12.32-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0 |
| Debian:13 | linux | 0 |
Timeline
- Jun 18, 2025 CVE Published
- Sep 1, 2026 CVE Updated
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