In the Linux kernel, a high-severity vulnerability has been identified related to the uvcvideo driver. This vulnerability allows for dangling pointers to be left unresolved when an asynchronous control operation is written. If a user closes the file descriptor associated with this operation, the structure is freed, creating dangling pointers that the driver may attempt to use. The kernel has implemented measures to clean up these pointers during the release process to avoid potential exploits.
With a CVSS score of 7.8, this vulnerability is classified as high severity. The attack vector is local, which means that exploitation requires local access to the system, typically a user with low privileges. The potential impacts of this vulnerability are significant, affecting confidentiality, integrity, and availability, all rated as high. As a result, organizations should address this vulnerability as a priority within their patching cycle.
Currently, there is no known exploit or proof of concept publicly available, which may indicate that while the vulnerability is critical, it has not yet been actively exploited in the wild. Nevertheless, organizations should remain vigilant and prioritize patching this vulnerability immediately to prevent potential risk exposure.
The urgency for remediation is high due to the potential risk to organizations. The Linux kernel is widely used across various systems and applications, making this vulnerability a significant concern for many organizations relying on the kernel for their operations. Prompt action is necessary to mitigate risks associated with this vulnerability.
Vulnerability Details
The vulnerability described in CVE-2024-58002 involves a specific issue within the Linux kernel's uvcvideo driver, concerning the handling of asynchronous control operations. When an async control is initiated, the kernel copies a pointer to the file handle that started the operation. If the user closes this file descriptor before the operation completes, it results in dangling pointers that the driver may incorrectly access later.
The official description states: 'Clean all the dangling pointers during release().' This issue is classified under CWE-416: Use After Free, which indicates a coding flaw that allows the use of memory after it has been freed. The CVSS score of 7.8 categorizes this vulnerability as high severity, reflecting its potential impact on systems.
Technical Analysis
The root cause of this vulnerability lies in the improper management of pointers associated with asynchronous operations within the uvcvideo driver. When an async operation is initiated, the pointer to the file handle is retained for use once the operation is completed. However, if the file descriptor is closed prematurely, the associated memory may be freed, leading to dangling pointers.
The attack vector for this vulnerability is classified as local, meaning that an attacker must have local access to the machine to exploit the vulnerability. The complexity of the attack is low, as it does not require significant technical skill to exploit. Privileges required for exploitation are also low, as any user with access to the system can potentially trigger the vulnerability. No user interaction is necessary for the exploit to succeed.
The impacts of a successful exploit could include high risks to confidentiality, integrity, and availability, as the kernel's operations may be compromised, leading to potential system instability or unauthorized access.
Risk & Impact Analysis
The real-world deployment of this vulnerability presents significant risks for organizations. Given that the Linux kernel is a core component in many server and desktop environments, the potential for widespread impact is considerable. An attacker exploiting this vulnerability could gain unauthorized access to sensitive data, disrupt system operations, or even execute arbitrary code, depending on the context of the system.
The urgency for organizations to patch this vulnerability cannot be overstated. With high severity and the potential for local exploits, organizations must prioritize remediation efforts within their patch management cycles. Failure to address this vulnerability could lead to significant operational disruptions and data breaches.
Organizations should also consider their security posture and assess the impact of this vulnerability within their risk management frameworks. The blast radius of a successful exploit extends beyond the immediate system, potentially affecting interconnected systems and services, compounding the overall risk.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of the Linux kernel are affected by this vulnerability: - All versions from 4.19 to below 6.6.80 - All versions from 6.7 to below 6.12.14 - All versions from 6.13 to below 6.13.3 Organizations running these versions should prioritize patching to mitigate the risk associated with this vulnerability.
Mitigation & Remediation
Organizations should take immediate action to patch their systems to remediate this vulnerability. The following steps are recommended: 1. Update the Linux kernel to the latest version that addresses CVE-2024-58002. 2. Verify that all affected systems have been patched. 3. Implement monitoring for any unusual behavior that may indicate exploitation attempts. 4. Consider conducting a thorough security assessment to identify any other potential vulnerabilities.
For further information on security testing, organizations may consider engaging in penetration testing services to validate their security posture.
Detection Guidance
To detect potential exploitation attempts related to this vulnerability, organizations should monitor the following indicators: - Logs for unusual access patterns or errors that arise from the uvcvideo driver. - System behavior anomalies that may suggest dangling pointer issues. - Network signatures that could indicate attempts to exploit the vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-58002 is notable as it highlights the importance of managing asynchronous operations in kernel development. This pattern of vulnerabilities related to resource management is not uncommon and serves as a reminder for security teams to emphasize defensive coding practices. Organizations should be proactive in assessing their software development lifecycle and implement stringent security measures.
Security teams can learn from this incident by enhancing their review processes for code that interacts with kernel components, particularly those handling asynchronous operations. By fostering a culture of security within development teams, organizations can reduce the likelihood of similar vulnerabilities in the future.
For organizations looking to enhance their security posture, engaging in proactive measures such as conducting regular security assessments and adopting secure coding practices can be beneficial. Resources such as our vulnerability management program can provide valuable insights and strategies.
For more information on penetration testing methodologies, consider reviewing our penetration testing methodology guide to enhance your security practices.
Lastly, organizations should remain vigilant for emerging threats and keep abreast of trends in vulnerability management. Engaging with resources such as our 2025 vulnerability exposure severity trends report will provide insights into the evolving threat landscape.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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