CVE-2022-47519 : Exploit Details and Defense Strategies

An issue was discovered in the Linux kernel before 6.0.11. Learn about the impact, technical details, and mitigation steps for CVE-2022-47519.

Understanding CVE-2022-47519

This section provides insights into the nature of the vulnerability.

What is CVE-2022-47519?

The CVE-2022-47519 vulnerability exists in the WILC1000 wireless driver due to missing validation, leading to an out-of-bounds write.

The Impact of CVE-2022-47519

The vulnerability can be exploited to trigger an out-of-bounds write when parsing the channel list attribute from Wi-Fi management frames.

Technical Details of CVE-2022-47519

Explore the specifics of the vulnerability in this section.

Vulnerability Description

The issue arises from the lack of validation for IEEE80211_P2P_ATTR_OPER_CHANNEL in the WILC1000 wireless driver in the Linux kernel.

Affected Systems and Versions

All versions of the Linux kernel before 6.0.11 are vulnerable to this issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the channel list attribute in Wi-Fi management frames to trigger an out-of-bounds write.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2022-47519.

Immediate Steps to Take

Users are advised to update their Linux kernel to version 6.0.11 to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing regular security updates and monitoring for patches is crucial for maintaining system security.

Patching and Updates

Stay informed about security advisories and promptly apply patches to secure systems against known vulnerabilities.