CVE-2022-28390 : What You Need to Know

A detailed overview of CVE-2022-28390 highlighting the vulnerability in the Linux kernel through version 5.17.1.

Understanding CVE-2022-28390

This section dives into the nature of the vulnerability and its potential impact.

What is CVE-2022-28390?

CVE-2022-28390 involves a double-free issue in the

ems_usb_start_xmit

function within the

drivers/net/can/usb/ems_usb.c

file in the Linux kernel up to version 5.17.1.

The Impact of CVE-2022-28390

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

Technical Details of CVE-2022-28390

This section provides more in-depth technical insights into the CVE-2022-28390 vulnerability.

Vulnerability Description

The vulnerability arises due to a double-free memory corruption issue in a specific function of the Linux kernel, allowing malicious actors to launch DoS attacks or execute arbitrary code.

Affected Systems and Versions

The CVE-2022-28390 affects Linux systems running kernel versions up to 5.17.1 that utilize the

ems_usb_start_xmit

function within the specified file path.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting special requests to the affected function, leading to the double-free condition and subsequent exploitation.

Mitigation and Prevention

In this section, we outline the key steps to mitigate the risks associated with CVE-2022-28390.

Immediate Steps to Take

Update the Linux kernel on all affected systems to a patched version released by the vendor.
Monitor for any unusual system behavior that could indicate exploitation attempts.

Long-Term Security Practices

Implement regular security patches and updates to keep systems resilient against known vulnerabilities.
Conduct routine security audits and assessments to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security advisories from the Linux kernel maintainers and promptly apply relevant patches to secure your systems.