MEDIUM · 6.7

CVE-2022-1891

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

Vulnerability Description

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

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
LenovoThinkbook 14-Iml Firmware< cjcn38ww
LenovoThinkbook 14-Iml-
LenovoThinkbook 14-Iil Firmware< djcn28ww
LenovoThinkbook 14-Iil-
LenovoThinkbook 15-Iil Firmware< djcn28ww
LenovoThinkbook 15-Iil-
LenovoThinkbook 15-Iml Firmware< cjcn38ww
LenovoThinkbook 15-Iml-
LenovoYoga C640-13Iml Lte Firmware< chcn28ww
LenovoYoga C640-13Iml Lte-
LenovoYoga C640-13Iml Firmware< chcn28ww
LenovoYoga C640-13Iml-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-1891?

CVE-2022-1891 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

How severe is CVE-2022-1891?

CVE-2022-1891 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-1891?

Check the references section above for vendor advisories and patch information. Affected products include: Lenovo Thinkbook 14-Iml Firmware, Lenovo Thinkbook 14-Iml, Lenovo Thinkbook 14-Iil Firmware, Lenovo Thinkbook 14-Iil, Lenovo Thinkbook 15-Iil Firmware.