01 Record
CVE-2023-4029
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.
MediumPUBLISHEDCNA: lenovo
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
02 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.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 9.0% of scored records. A rank, not a probability.
- NVD base score
- 6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-08-17 16:48Z3 YR AGO
- Last updated
- 2024-10-08 13:16Z2 YR AGO
- Reserved
- 2023-07-31
- Assigning CNA
- lenovo
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- 1da233a635d30129fa89fd35f8140cbf07812f4528030dc394073b90164389ca
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.lenovo.comhttps://support.lenovo.com/us/en/product_security/LEN-134879
07 Remediation
Update system firmware to the version (or newer) indicated for your model in the Product Impact section in LEN-134879.