CVE-2024-23848 : Security Advisory and Response

This CVE record details a vulnerability found in the Linux kernel through version 6.7.1, specifically related to a use-after-free issue in cec_queue_msg_fh within the drivers/media/cec/core/cec-adap.c and drivers/media/cec/core/cec-api.c files.

Understanding CVE-2024-23848

This section will delve into the specifics of CVE-2024-23848, outlining what the vulnerability entails and its potential impact.

What is CVE-2024-23848?

CVE-2024-23848 is a use-after-free vulnerability present in the Linux kernel through version 6.7.1. The issue specifically affects the cec_queue_msg_fh function within the mentioned driver files, drivers/media/cec/core/cec-adap.c and drivers/media/cec/core/cec-api.c. This vulnerability could potentially be exploited by attackers to execute arbitrary code or lead to a denial of service.

The Impact of CVE-2024-23848

The impact of this vulnerability could be severe, allowing malicious actors to gain unauthorized access, manipulate data, or disrupt the normal functioning of affected systems. It is crucial to address this issue promptly to prevent potential exploitation.

Technical Details of CVE-2024-23848

To secure systems against CVE-2024-23848, a deeper understanding of the vulnerability, affected systems and versions, as well as the exploitation mechanism is crucial.

Vulnerability Description

The use-after-free vulnerability in cec_queue_msg_fh within the Linux kernel could result in an exploitable scenario where attackers might execute arbitrary code or cause a denial of service.

Affected Systems and Versions

The vulnerability impacts the Linux kernel through version 6.7.1. It is essential for users of these versions to be aware of the issue and take necessary precautions to safeguard their systems.

Exploitation Mechanism

Attackers could potentially exploit this vulnerability by crafting and sending malicious messages to the cec_queue_msg_fh function, leading to the execution of arbitrary code or triggering a denial of service condition.

Mitigation and Prevention

Addressing CVE-2024-23848 requires immediate action to mitigate the risks associated with this vulnerability. Implementing security measures and applying patches is essential to prevent exploitation and secure systems effectively.

Immediate Steps to Take

Immediate steps to mitigate the vulnerability include monitoring official sources for patches or updates related to the Linux kernel and applying them promptly to affected systems.

Long-Term Security Practices

Incorporating robust security practices such as regular system updates, security assessments, and adherence to secure coding practices can help enhance the overall security posture and resilience of systems over the long term.

Patching and Updates

Patching is a critical aspect of mitigating CVE-2024-23848. Users are advised to stay informed about security advisories from the Linux kernel community and promptly apply patches or updates provided to address this vulnerability.