CVE-2023-4029 — MEDIUM (6.7)

Q: What is CVE-2023-4029?

CVE-2023-4029 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

Q: How severe is CVE-2023-4029?

CVE-2023-4029 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-4029?

Check the references section above for vendor advisories and patch information. Affected products include: Lenovo K14 Type 21Cu Firmware, Lenovo K14 Type 21Cu, Lenovo K14 Type 21Cv Firmware, Lenovo K14 Type 21Cv, Lenovo Thinkpad S2 Yoga Gen 8 Firmware.

Vulnerability Description

A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated 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

Vendor	Product	Versions
Lenovo	K14 Type 21Cu Firmware	< 1.12
Lenovo	K14 Type 21Cu	-
Lenovo	K14 Type 21Cv Firmware	< 1.12
Lenovo	K14 Type 21Cv	-
Lenovo	Thinkpad S2 Yoga Gen 8 Firmware	< 1.10
Lenovo	Thinkpad S2 Yoga Gen 8	-
Lenovo	Thinkpad E14 Gen 3 Firmware	< 1.15
Lenovo	Thinkpad E14 Gen 3	-
Lenovo	Thinkpad E15 Gen 3 Firmware	< 1.15
Lenovo	Thinkpad E15 Gen 3	-
Lenovo	Thinkpad L13 Gen 2 Firmware	< 1.30
Lenovo	Thinkpad L13 Gen 2	-
Lenovo	Thinkpad L13 Gen 3 Firmware	< 1.19
Lenovo	Thinkpad L13 Gen 3	-
Lenovo	Thinkpad L13 Gen 4 Firmware	< 1.10
Lenovo	Thinkpad L13 Gen 4	-
Lenovo	Thinkpad L13 Yoga Gen 4 Firmware	< 1.10
Lenovo	Thinkpad L13 Yoga Gen 4	-
Lenovo	Thinkpad L13 Yoga Gen 2 Firmware	< 1.30
Lenovo	Thinkpad L13 Yoga Gen 2	-

Related Weaknesses (CWE)

CWE-120

References

https://support.lenovo.com/us/en/product_security/LEN-134879Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-134879Vendor Advisory

FAQ

What is CVE-2023-4029?

CVE-2023-4029 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

How severe is CVE-2023-4029?

CVE-2023-4029 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-2023-4029?

Check the references section above for vendor advisories and patch information. Affected products include: Lenovo K14 Type 21Cu Firmware, Lenovo K14 Type 21Cu, Lenovo K14 Type 21Cv Firmware, Lenovo K14 Type 21Cv, Lenovo Thinkpad S2 Yoga Gen 8 Firmware.