7.8
CWE
787 122 119
Advisory Published
Updated

CVE-2022-1890: Buffer Overflow

First published: Mon Jan 23 2023(Updated: )

A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

Credit: psirt@lenovo.com

Affected SoftwareAffected VersionHow to fix
Lenovo Thinkbook 14-iml Firmware<cjcn38ww
Lenovo Thinkbook 14-iml
Lenovo Thinkbook 14-iil Firmware<djcn28ww
Lenovo Thinkbook 14-iil
Lenovo Thinkbook 15-iil Firmware<djcn28ww
Lenovo Thinkbook 15-iil
Lenovo Thinkbook 15-iml Firmware<cjcn38ww
Lenovo Thinkbook 15-iml
Lenovo Yoga C640-13iml Lte Firmware<chcn28ww
Lenovo Yoga C640-13iml Lte
Lenovo Yoga C640-13iml Firmware<chcn28ww
Lenovo Yoga C640-13iml

Remedy

Update system firmware to the version (or newer) indicated for your model in the product Impact section of LEN-91369

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Frequently Asked Questions

  • What is the vulnerability ID of this Lenovo Notebook product buffer overflow vulnerability?

    The vulnerability ID is CVE-2022-1890.

  • What is the severity level of CVE-2022-1890?

    The severity level of CVE-2022-1890 is high (CVSS score: 7.8).

  • Which Lenovo Notebook products are affected by CVE-2022-1890?

    The Lenovo Thinkbook 14-iml Firmware (up to cjcn38ww) and Lenovo Thinkbook 15-iml Firmware (up to cjcn38ww) are affected.

  • How can an attacker exploit CVE-2022-1890?

    An attacker with local privileges can exploit CVE-2022-1890 to execute arbitrary code.

  • Is the Lenovo Thinkbook 14-iil and Lenovo Thinkbook 15-iil vulnerable to CVE-2022-1890?

    No, the Lenovo Thinkbook 14-iil and Lenovo Thinkbook 15-iil are not vulnerable to CVE-2022-1890.

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