PT-2025-25828 · Linux+4 · Linux Kernel+4

Published

2025-05-16

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Updated

2026-02-05

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CVE-2025-38054

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A vulnerability in the Linux kernel has been resolved. The issue was related to the debugfs summary output accessing uninitialized elements in the freq in[] and signal out[] arrays, causing NULL pointer dereferences and triggering a kernel Oops (page fault oops). The patch adds fields to track the number of initialized elements and updates the summary output functions to respect these limits, preventing out-of-bounds access and ensuring safe array handling.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use of Uninitialized Resource

Access of Uninitialized Pointer

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Weakness Enumeration

Related Identifiers

BDU:2025-12326
CVE-2025-38054
USN-7769-1
USN-7769-2
USN-7769-3
USN-7770-1
USN-7771-1
USN-7789-1
USN-7789-2

Affected Products

Astra Linux
Linuxmint
Linux Kernel
Red Os
Ubuntu