CVE-2022-1890 : What You Need to Know
Learn about CVE-2022-1890, a buffer overflow vulnerability in ReadyBootDxe driver of Lenovo Notebook products, allowing attackers to execute arbitrary code. Find mitigations and solutions here.
Understanding CVE-2022-1890
A buffer overflow vulnerability in the ReadyBootDxe driver in some Lenovo Notebook products.
What is CVE-2022-1890?
CVE-2022-1890 is a buffer overflow vulnerability that may allow an attacker with local privileges to execute arbitrary code in certain Lenovo Notebook products.
The Impact of CVE-2022-1890
The impact of this vulnerability is rated as medium severity, with high confidentiality, integrity, and availability impact.
Technical Details of CVE-2022-1890
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The buffer overflow in the ReadyBootDxe driver may allow an attacker to execute arbitrary code with high privileges.
Affected Systems and Versions
The vulnerability affects various versions of the BIOS in Lenovo Notebook products.
Exploitation Mechanism
The vulnerability can be exploited by an attacker with local privileges to trigger the buffer overflow and execute malicious code.
Mitigation and Prevention
Steps to mitigate and prevent the exploitation of CVE-2022-1890.
Immediate Steps to Take
Update system firmware to the version indicated for your model in the product Impact section of LEN-91369.
Long-Term Security Practices
Regularly update system firmware and follow security best practices to prevent similar vulnerabilities.
Patching and Updates
Keep systems up to date with the latest firmware releases to patch the vulnerability.