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CVE-2024-41025: Vulnerability in Linux Linux

Medium
VulnerabilityCVE-2024-41025cvecve-2024-41025
Published: Mon Jul 29 2024 (07/29/2024, 14:31:42 UTC)
Source: CVE
Vendor/Project: Linux
Product: Linux

Description

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix memory leak in audio daemon attach operation Audio PD daemon send the name as part of the init IOCTL call. This name needs to be copied to kernel for which memory is allocated. This memory is never freed which might result in memory leak. Free the memory when it is not needed.

AI-Powered Analysis

AILast updated: 06/29/2025, 03:41:11 UTC

Technical Analysis

CVE-2024-41025 is a vulnerability identified in the Linux kernel's 'fastrpc' miscellaneous driver component, specifically related to the audio daemon attach operation. The issue arises because the Audio PD (Processor Daemon) sends a name string as part of an initialization IOCTL (Input/Output Control) call. During this process, the kernel allocates memory to copy this name, but the allocated memory is not freed after use, resulting in a memory leak. Over time, repeated invocations of this operation could cause the kernel to consume increasing amounts of memory, potentially leading to resource exhaustion. This vulnerability does not appear to involve direct code execution or privilege escalation but can degrade system stability and availability due to memory depletion. The flaw has been addressed by ensuring that the allocated memory is properly freed when no longer needed. There are no known exploits in the wild at this time, and no CVSS score has been assigned yet. The vulnerability affects Linux kernel versions identified by the provided commit hashes, which likely correspond to recent kernel releases incorporating the fastrpc driver. The issue is technical and specific to the kernel's audio subsystem, particularly impacting systems using the fastrpc driver for audio processing.

Potential Impact

For European organizations, the primary impact of CVE-2024-41025 is on system availability and stability rather than confidentiality or integrity. Systems running vulnerable Linux kernel versions with the fastrpc audio driver could experience memory leaks that degrade performance or cause crashes, especially in environments with frequent audio daemon attach operations. This could affect servers, embedded devices, or workstations relying on Linux for audio processing tasks. Organizations in sectors such as telecommunications, media, automotive, and industrial control that use Linux-based systems with audio processing components may be more susceptible. While no direct data breach or privilege escalation is indicated, prolonged memory leaks can lead to denial of service conditions, impacting business continuity and operational reliability. The absence of known exploits reduces immediate risk, but unpatched systems remain vulnerable to potential future exploitation or accidental system failures. European organizations with strict uptime and reliability requirements should prioritize addressing this vulnerability to maintain service quality.

Mitigation Recommendations

To mitigate CVE-2024-41025, European organizations should: 1) Identify and inventory Linux systems running kernel versions that include the vulnerable fastrpc driver, focusing on those handling audio processing workloads. 2) Apply the official Linux kernel patches or updates that fix the memory leak as soon as they become available from trusted sources or Linux distributions. 3) For environments where immediate patching is not feasible, monitor system memory usage closely for unusual growth patterns related to audio daemon operations and consider restarting affected services or systems proactively to reclaim leaked memory. 4) Implement kernel-level monitoring tools to detect memory leaks or resource exhaustion early. 5) Engage with Linux distribution vendors to ensure timely updates and verify that the fix is included in upcoming kernel releases. 6) Review and restrict access to IOCTL interfaces related to audio daemons to minimize unnecessary calls that could trigger the leak. 7) Incorporate this vulnerability into vulnerability management and patching workflows to ensure ongoing compliance and risk reduction.

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Technical Details

Data Version
5.1
Assigner Short Name
Linux
Date Reserved
2024-07-12T12:17:45.615Z
Cisa Enriched
true
Cvss Version
null
State
PUBLISHED

Threat ID: 682d9827c4522896dcbe16b3

Added to database: 5/21/2025, 9:08:55 AM

Last enriched: 6/29/2025, 3:41:11 AM

Last updated: 8/1/2025, 2:50:27 AM

Views: 10

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