{"cve":"CVE-2025-38054","nvd":{"published":"2025-06-18T10:15:38.083","modified":"2026-06-17T09:15:57.767","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nptp: ocp: Limit signal/freq counts in summary output functions\n\nThe debugfs summary output could access uninitialized elements in\nthe freq_in[] and signal_out[] arrays, causing NULL pointer\ndereferences and triggering a kernel Oops (page_fault_oops).\nThis patch adds u8 fields (nr_freq_in, nr_signal_out) to track the\nnumber of initialized elements, with a maximum of 4 per array.\nThe summary output functions are updated to respect these limits,\npreventing out-of-bounds access and ensuring safe array handling.\n\nWiden the label variables because the change confuses GCC about\nmax length of the strings.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-908"],"references":["https://git.kernel.org/stable/c/0b7d3e782027ac3b6fec56159e8e348042000aef","https://git.kernel.org/stable/c/c9e455581e2ba87ee38c126e8dc49a424b9df0cf","https://git.kernel.org/stable/c/fcad74f894ac89790084cc2e1ec61b08220941d1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2025-38054","score":0.00191,"percentile":0.08815,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}