In the Linux kernel, the following vulnerability has been resolved: iio: fix memory leak in iio_device_register_eventset(). When iio_device_register_sysfs_group() returns failed, iio_device_register_eventset() needs to free the attrs array. Otherwise, kmemleak would scan and report a memory leak.
Risk to organizations includes potential memory leaks that could lead to system resource exhaustion and instability. The published CVE indicates that this vulnerability has a deferred status, which suggests it is currently not considered a high priority for remediation.
Organizations should monitor their systems for any unusual behavior and apply necessary updates when they become available. It is important to stay informed about any developments related to this vulnerability.
As of now, there is no known exploit for this vulnerability, and it does not appear to be actively exploited in the wild. However, organizations should remain vigilant.
Organizations should prioritize patching immediately.
Vulnerability Details
This vulnerability allows a memory leak in the Linux kernel, specifically in the iio_device_register_eventset function. When the function fails to register the sysfs group, it fails to free an allocated array.
The CVSS score for the vulnerability is not officially scored, indicating that specific severity metrics have not been determined. The lack of a defined severity indicates the need for organizations to assess their own risk based on their environment.
The vulnerability was published on October 22, 2025, and is classified under the deferred status, meaning it may not be currently actionable.
Technical Analysis
The root cause of the vulnerability lies in the failure to properly manage memory allocation in the Linux kernel. When the function fails, it does not release the allocated memory, leading to potential leaks.
The attack vector here is local, as it requires access to the kernel environment. Attack complexity is considered low, as the execution of the function is tied to internal operations of the kernel.
No privileges are required to exploit this vulnerability, and no user interaction is necessary. The impacts are limited to confidentiality, integrity, and availability, as the memory leak could affect system performance.
Risk & Impact Analysis
Real-world deployment risk for this vulnerability is moderate, given that it resides within the kernel, which is a critical component of system stability. Organizations should evaluate their deployment configurations and assess the potential impact of this vulnerability on their operations.
The urgency assessment based on CVSS indicates that organizations should schedule remediation as part of their routine maintenance. Although the exploitability is low, the potential for resource exhaustion remains a concern, particularly for systems under heavy load.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Currently, specific versions affected by this vulnerability have not been disclosed. Organizations should consider all versions prior to the resolution as potentially susceptible until patches are released.
Mitigation & Remediation
Organizations should monitor for any updates or patches released for the Linux kernel that address this vulnerability. In the absence of a patch, implementing memory management best practices and monitoring system performance can mitigate potential impacts.
For further assistance, organizations may want to engage in penetration testing to identify other potential vulnerabilities in their systems.
Detection Guidance
Organizations should monitor logs for memory allocation failures and unexpected system resource consumption. Behavioral anomalies during kernel operations may indicate underlying memory management issues.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its representation of systemic memory management challenges within the Linux kernel. Security teams should recognize the potential for similar vulnerabilities that may arise from improper resource management.
Organizations can improve their defensive posture by adopting comprehensive memory management practices and conducting regular security assessments. Engaging in penetration testing methodology can also reveal hidden vulnerabilities.
Furthermore, understanding the implications of this vulnerability can aid in developing a robust incident response strategy. Continuous improvement in security practices is essential to mitigate the risks posed by similar vulnerabilities in the future.
Organizations should also consider leveraging vulnerability management programs to systematically address security weaknesses across their infrastructure.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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