In the Linux kernel, a medium-severity vulnerability has been identified concerning job pointer management in the drm/v3d component. Specifically, after a job completes, the corresponding pointer in the device must be set to NULL. Failing to do so triggers a warning when unloading the driver, indicating that the job is still active. This oversight can lead to operational issues and potential impacts on system stability.
The vulnerability has a CVSS score of 5.5, categorized as medium severity. This classification is significant as it highlights the potential for high impact on system availability, while the confidentiality and integrity impacts remain none. Organizations utilizing affected versions of the Linux kernel should be particularly vigilant.
Risk to organizations includes system instability and potential operational disruptions, particularly in environments relying on the drm/v3d component. Organizations should prioritize addressing this vulnerability in their patch management cycle.
As of now, there are no known exploits publicly available for this vulnerability, but organizations should remain aware of the potential for future exploitation given its medium severity.
Organizations should address this vulnerability in their priority patch cycle to prevent any potential disruptions.
Vulnerability Details
This vulnerability allows for improper management of job pointers in the Linux kernel's drm/v3d component. The severity is classified as medium, with a CVSS score of 5.5. The vulnerability affects all versions of the Linux kernel from 4.19 up to but not including 5.4.290, 5.5 up to but not including 5.10.234, 5.11 up to but not including 5.15.177, 5.16 up to but not including 6.1.127, 6.2 up to but not including 6.6.74, 6.7 up to but not including 6.12.11, as well as specific release candidates of version 6.13.
The vulnerability was published on February 12, 2025, and has been classified under the Common Weakness Enumeration (CWE) category as no specific information is provided.
Technical Analysis
The root cause of this vulnerability is a failure to set the job pointer to NULL after the job has completed in the drm/v3d component of the Linux kernel. This oversight can lead to warnings when unloading the driver, as it appears that the job is still active, which could mislead system administrators and potentially destabilize the kernel.
The attack vector for this vulnerability is local, as it requires access to the system where the kernel is running. The attack complexity is low, and only low-level privileges are required to exploit this vulnerability. User interaction is not necessary, making it easier to trigger under certain conditions.
The availability impact is high, meaning that systems may become unstable or unresponsive if the vulnerability is exploited, while the confidentiality and integrity impacts are none.
Risk & Impact Analysis
Real-world deployment risk for this vulnerability is significant, given its potential to cause operational disruptions. Organizations relying on the Linux kernel should assess their exposure to this vulnerability and prioritize remediation efforts. The blast radius consists of any systems using the affected versions of the kernel, which can include critical infrastructure and services.
The urgency for patching is categorized as high, considering the availability impact associated with this vulnerability. Given the medium severity and the potential for exploitation, organizations must act swiftly to mitigate risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable versions of the Linux kernel include all versions from 4.19 up to but not including 5.4.290, 5.5 up to but not including 5.10.234, 5.11 up to but not including 5.15.177, 5.16 up to but not including 6.1.127, 6.2 up to but not including 6.6.74, 6.7 up to but not including 6.12.11, and specific release candidates of version 6.13.
Mitigation & Remediation
To mitigate this vulnerability, organizations should implement the latest kernel patches provided by the Linux community. The specific patches address the issue with job pointer management and should be prioritized for application.
For more detailed guidance on patch management and security testing, organizations may refer to our comprehensive penetration testing resources.
Detection Guidance
Organizations should monitor logs for any warnings indicating that job pointers are not being set to NULL after job completion. This behavior may indicate potential exploitation attempts or misconfigurations. Additionally, monitoring for anomalies in driver unloading processes can help detect suspicious activities.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its representation of ongoing challenges in kernel management and resource allocation. Security teams must learn from this incident to enhance their processes and prevent similar vulnerabilities in the future.
It is crucial for organizations to establish robust mechanisms for monitoring and validating kernel behavior. This incident underscores the importance of proactive measures to identify and remediate vulnerabilities in a timely manner, ensuring the stability and security of infrastructure.
For further reading on effective security practices, consider reviewing our article on security testing best practices, which discusses strategies to enhance organizational resilience against similar vulnerabilities.
Additionally, reviewing the latest trends in vulnerability management can provide invaluable insights for security teams aiming to strengthen their defenses against emerging threats.
Known Exploitation Timeline
This vulnerability is not currently listed in the Known Exploited Vulnerabilities (KEV) catalog, indicating that there have been no confirmed exploitation attempts reported as of now.
EPSS Risk Context
The EPSS score for this vulnerability is 0.000080000, placing it in the 0.006950000 percentile. This low score indicates a very low probability of exploitation, but organizations should remain vigilant and proactive in their patching efforts.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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