CVE-2022-3111 Explained : Impact and Mitigation

An issue discovered in the Linux kernel affecting versions up to 5.16-rc6.

Understanding CVE-2022-3111

This CVE involves a vulnerability in the Linux kernel that can be exploited by attackers.

What is CVE-2022-3111?

The issue lies in the

free_charger_irq()

function in

wm8350_power.c

which lacks proper freeing of

WM8350_IRQ_CHG_FAST_RDY

registered in

wm8350_init_charger()

.

The Impact of CVE-2022-3111

This vulnerability could be exploited by an attacker to execute arbitrary code or trigger a denial of service (DoS) on the affected system.

Technical Details of CVE-2022-3111

This section provides more insight into the vulnerability and its technical aspects.

Vulnerability Description

The vulnerability in

free_charger_irq()

can lead to a security compromise due to the lack of proper resource freeing.

Affected Systems and Versions

The vulnerability impacts Linux kernel versions up to 5.16-rc6.

Exploitation Mechanism

Attackers could exploit this vulnerability by crafting special input to trigger the issue, potentially leading to code execution or DoS.

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2022-3111.

Immediate Steps to Take

It is recommended to apply the patches provided by the Linux kernel maintainers to address this vulnerability.

Long-Term Security Practices

Regularly update the kernel and follow security best practices to prevent and mitigate potential vulnerabilities.

Patching and Updates

Stay informed about security updates and apply patches promptly to ensure the security of your systems.