CVE-2023-4029: Buffer Overflow

Published Aug 17, 2023
·
Updated

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.

Affected Software

104 affected components
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
Lenovo Thinkpad L13 Yoga Gen 3 Firmware<1.19
Lenovo Thinkpad L13 Yoga Gen 3
Lenovo Thinkpad L14 Gen 2 Firmware<1.28
Lenovo Thinkpad L14 Gen 2
Lenovo Thinkpad L14 Gen 3 Firmware<1.23
Lenovo Thinkpad L14 Gen 3
Lenovo Thinkpad L14 Gen 4 Firmware<1.06
Lenovo Thinkpad L14 Gen 4
Lenovo Thinkpad L15 Gen 2 Firmware<1.28
Lenovo Thinkpad L15 Gen 2
Lenovo Thinkpad L15 Gen 3 Firmware<1.23
Lenovo Thinkpad L15 Gen 3
Lenovo Thinkpad L15 Gen 4 Firmware<1.06
Lenovo Thinkpad L15 Gen 4
Lenovo Thinkpad P14s Gen 2 Firmware<1.34
Lenovo Thinkpad P14s Gen 2
Lenovo Thinkpad T14 Gen 2 Firmware<1.34
Lenovo Thinkpad T14 Gen 2
Lenovo Thinkpad T14s Gen 2 Firmware<1.37
Lenovo Thinkpad T14s Gen 2
Lenovo Thinkpad S2 Gen 6 Firmware<1.30
Lenovo Thinkpad S2 Gen 6
Lenovo Thinkpad S2 Gen 7 Firmware<1.19
Lenovo Thinkpad S2 Gen 7
Lenovo Thinkpad S2 Gen 8 Firmware<1.10
Lenovo Thinkpad S2 Gen 8
Lenovo Thinkpad S2 Yoga Gen 6 Firmware<1.30
Lenovo Thinkpad S2 Yoga Gen 6
Lenovo Thinkpad S2 Yoga Gen 7 Firmware<1.19
Lenovo Thinkpad S2 Yoga Gen 7
Lenovo Thinkpad X13 Gen 2 Firmware<1.37
Lenovo Thinkpad X13 Gen 2
All of the following
Lenovo K14 Type 21cu Firmware<1.12
Lenovo K14 Type 21cu
All of the following
Lenovo K14 Type 21cv Firmware<1.12
Lenovo K14 Type 21cv
All of the following
Lenovo Thinkpad S2 Yoga Gen 8 Firmware<1.10
Lenovo Thinkpad S2 Yoga Gen 8
All of the following
Lenovo Thinkpad E14 Gen 3 Firmware<1.15
Lenovo Thinkpad E14 Gen 3
All of the following
Lenovo Thinkpad E15 Gen 3 Firmware<1.15
Lenovo Thinkpad E15 Gen 3
All of the following
Lenovo Thinkpad L13 Gen 2 Firmware<1.30
Lenovo Thinkpad L13 Gen 2
All of the following
Lenovo Thinkpad L13 Gen 3 Firmware<1.19
Lenovo Thinkpad L13 Gen 3
All of the following
Lenovo Thinkpad L13 Gen 4 Firmware<1.10
Lenovo Thinkpad L13 Gen 4
All of the following
Lenovo Thinkpad L13 Yoga Gen 4 Firmware<1.10
Lenovo Thinkpad L13 Yoga Gen 4
All of the following
Lenovo Thinkpad L13 Yoga Gen 2 Firmware<1.30
Lenovo Thinkpad L13 Yoga Gen 2
All of the following
Lenovo Thinkpad L13 Yoga Gen 3 Firmware<1.19
Lenovo Thinkpad L13 Yoga Gen 3
All of the following
Lenovo Thinkpad L14 Gen 2 Firmware<1.28
Lenovo Thinkpad L14 Gen 2
All of the following
Lenovo Thinkpad L14 Gen 3 Firmware<1.23
Lenovo Thinkpad L14 Gen 3
All of the following
Lenovo Thinkpad L14 Gen 4 Firmware<1.06
Lenovo Thinkpad L14 Gen 4
All of the following
Lenovo Thinkpad L15 Gen 2 Firmware<1.28
Lenovo Thinkpad L15 Gen 2
All of the following
Lenovo Thinkpad L15 Gen 3 Firmware<1.23
Lenovo Thinkpad L15 Gen 3
All of the following
Lenovo Thinkpad L15 Gen 4 Firmware<1.06
Lenovo Thinkpad L15 Gen 4
All of the following
Lenovo Thinkpad P14s Gen 2 Firmware<1.34
Lenovo Thinkpad P14s Gen 2
All of the following
Lenovo Thinkpad T14 Gen 2 Firmware<1.34
Lenovo Thinkpad T14 Gen 2
All of the following
Lenovo Thinkpad T14s Gen 2 Firmware<1.37
Lenovo Thinkpad T14s Gen 2
All of the following
Lenovo Thinkpad S2 Gen 6 Firmware<1.30
Lenovo Thinkpad S2 Gen 6
All of the following
Lenovo Thinkpad S2 Gen 7 Firmware<1.19
Lenovo Thinkpad S2 Gen 7
All of the following
Lenovo Thinkpad S2 Gen 8 Firmware<1.10
Lenovo Thinkpad S2 Gen 8
All of the following
Lenovo Thinkpad S2 Yoga Gen 6 Firmware<1.30
Lenovo Thinkpad S2 Yoga Gen 6
All of the following
Lenovo Thinkpad S2 Yoga Gen 7 Firmware<1.19
Lenovo Thinkpad S2 Yoga Gen 7
All of the following
Lenovo Thinkpad X13 Gen 2 Firmware<1.37
Lenovo Thinkpad X13 Gen 2

Remediation

Information

Update system firmware to the version (or newer) indicated for your model in the Product Impact section in LEN-134879.

Event History

Aug 17, 2023
CVE Published
via MITRE·04:48 PM
Data Sourced
via MITRE·04:48 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2023-4029?

CVE-2023-4029 is a buffer overflow vulnerability in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products.

2

What is the severity of CVE-2023-4029?

The severity of CVE-2023-4029 is medium with a severity value of 6.7.

3

How can an attacker exploit CVE-2023-4029?

An attacker with local access and elevated privileges can exploit CVE-2023-4029 to execute arbitrary code.

4

Which Lenovo ThinkPad products are affected by CVE-2023-4029?

Lenovo ThinkPad products with the BoardUpdateAcpiDxe driver are affected by CVE-2023-4029.

5

How can I fix CVE-2023-4029?

To fix CVE-2023-4029, it is recommended to apply the latest firmware update provided by Lenovo.

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