CVE-2025-38054 — Use of Uninitialized Resource in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 84.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 18
Latest updateDec 3
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 respec…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxef61f5528fca6c3bbb2f8bc002fd1949c9d1f9b9 — 0b7d3e782027ac3b6fec56159e8e348042000aef+3
Patches
🔴Vulnerability Details
9OSV▶
linux, linux-aws, linux-gcp, linux-gcp-6.14, linux-oracle, linux-realtime vulnerabilities↗2025-12-03