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CVE-2025-38054— ptp: ocp: Limit signal/freq counts in summary output functions

EPSS 0.05% · P15
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I. Basic Information for CVE-2025-38054

Vulnerability Information
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Vulnerability Title
ptp: ocp: Limit signal/freq counts in summary output functions
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于ptp驱动在摘要输出中访问未初始化数组元素。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux ef61f5528fca6c3bbb2f8bc002fd1949c9d1f9b9 ~ 0b7d3e782027ac3b6fec56159e8e348042000aef -
LinuxLinux 6.9 -

II. Public POCs for CVE-2025-38054

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III. Intelligence Information for CVE-2025-38054

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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

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CVE-2022-50097video: fbdev: s3fb: Check the size of screen before memset_io()
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CVE-2022-50103sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

Showing top 20 of 362 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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