Lenovo Notebook BIOS Vulnerabilities
Lenovo Notebook BIOS Vulnerabilities
Lenovo Notebook BIOS Vulnerabilities
Lenovo Security Advisory: LEN-73440
Potential Impact: Privilege escalation
Severity: Medium
Scope of Impact: Lenovo-specific
CVE Identifier: CVE-2021-3970, CVE-2021-3971, CVE-2021-3972
Summary Description:
The following vulnerabilities were reported in Lenovo Notebook BIOS.
CVE-2021-3970: A potential vulnerability in LenovoVariable SMI Handler due to insufficient validation in some Lenovo Notebook models may allow an attacker with local access and elevated privileges to execute arbitrary code.
CVE-2021-3971: A potential vulnerability by a driver used during older manufacturing processes on some consumer Lenovo Notebook devices that was mistakenly included in the BIOS image could allow an attacker with elevated privileges to modify firmware protection region by modifying an NVRAM variable.
CVE-2021-3972: A potential vulnerability by a driver used during manufacturing process on some consumer Lenovo Notebook devices that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.
Mitigation Strategy for Customers (what you should do to protect yourself):
Update system firmware to the version (or newer) indicated for your model in the Product Impact section.
To download the version specified for your product below, follow these steps:
Navigate to the Drivers & Software support site for your product:
- Lenovo Products (sold worldwide, except in China): https://support.lenovo.com/
- Lenovo Products (sold in China): https://newsupport.lenovo.com.cn/
- IBM-branded System x Legacy Products: https://www.ibm.com/support/fixcentral/
- Search for your product by name or machine type.
- Click Drivers & Software on the left menu panel.
- Click on Manual Update to browse by Component type.
- Compare the minimum fix version for your product from the applicable product table below with the latest version posted on the support site.
Lenovo also offers tools to assist with update management as an alternative to the manual steps described above. Refer to the following for additional help:
PC Products and Software: https://support.lenovo.com/us/en/solutions/ht504759
Server and Enterprise Software: https://support.lenovo.com/us/en/solutions/lnvo-lxcaupd and https://datacentersupport.lenovo.com/us/en/documents/lnvo-center
Click below links to view affected products:
Acknowledgement:
Lenovo thanks Martin Smolár from ESET for reporting these issues.
Revision History:
Revision | Date | Description |
---|---|---|
6 | 2022-06-13 | Update Product Impact |
5 | 2022-05-11 | Update Product Impact |
4 | 2022-05-09 | Update Product Impact |
3 | 2022-04-25 | Update Product Impact |
2 | 2022-04-19 | Correct Initial release date |
1 | 2022-04-18 | Initial release |
For a complete list of all Lenovo Product Security Advisories, click here.
For the most up to date information, please remain current with updates and advisories from Lenovo regarding your equipment and software. The information provided in this advisory is provided on an “as is” basis without any warranty or guarantee of any kind. Lenovo reserves the right to change or update this advisory at any time.
Product Impact:
Product | Component | CVE-2021-3970 | CVE-2021-3971 | CVE-2021-3972 |
IdeaPad 3 15ADA05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ADA, V15-ADA, ideapad 3-14ADA05, ideapad 3-15ADA05, ideapad 3-17ADA05 | E8CN33WW | E8CN33WW | E8CN33WW |
IdeaPad 3-14ADA05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ADA, V15-ADA, ideapad 3-14ADA05, ideapad 3-15ADA05, ideapad 3-17ADA05 | E8CN33WW | E8CN33WW | E8CN33WW |
IdeaPad 3-14ADA6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ADA6, IdeaPad 3-15ADA6, IdeaPad 3-17ADA6 | HBCN21WW | HBCN21WW | HBCN21WW |
IdeaPad 3-14ALC6 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ALC6, ideapad 3-15ALC6, ideapad 3-17ALC6, V14 G2-ALC, V15 G2-ALC | GLCN43WW | GLCN43WW | GLCN43WW |
IdeaPad 3-14ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ARE, ideapad 3-14ARE, ideapad 3-15ARE, ideapad 3-17ARE | dzcn42ww | dzcn42ww | dzcn42ww |
IdeaPad 3-14ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ARE05, ideapad 3-15ARE05, ideapad 3-17ARE05, V14-ARE | DZCN42WW | DZCN42WW | DZCN42WW |
IdeaPad 3-15ADA6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ADA6, IdeaPad 3-15ADA6, IdeaPad 3-17ADA6 | HBCN21WW | HBCN21WW | HBCN21WW |
IdeaPad 3-15ALC6 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ALC6, ideapad 3-15ALC6, ideapad 3-17ALC6, V14 G2-ALC, V15 G2-ALC | GLCN43WW | GLCN43WW | GLCN43WW |
IdeaPad 3-15ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ARE, ideapad 3-14ARE, ideapad 3-15ARE, ideapad 3-17ARE | dzcn42ww | dzcn42ww | dzcn42ww |
IdeaPad 3-15ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ARE05, ideapad 3-15ARE05, ideapad 3-17ARE05, V14-ARE | DZCN42WW | DZCN42WW | DZCN42WW |
IdeaPad 3-15IGL05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-IGL, V15-IGL, ideapad 3-14IGL05, ideapad 3-15IGL05 | DVCN23WW | DVCN23WW | DVCN23WW |
IdeaPad 3-17ADA05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ADA, V15-ADA, ideapad 3-14ADA05, ideapad 3-15ADA05, ideapad 3-17ADA05 | E8CN33WW | E8CN33WW | E8CN33WW |
IdeaPad 3-17ADA6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ADA6, IdeaPad 3-15ADA6, IdeaPad 3-17ADA6 | HBCN21WW | HBCN21WW | HBCN21WW |
IdeaPad 3-17ALC6 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ALC6, ideapad 3-15ALC6, ideapad 3-17ALC6, V14 G2-ALC, V15 G2-ALC | GLCN43WW | GLCN43WW | GLCN43WW |
IdeaPad 3-17ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-ARE, ideapad 3-14ARE, ideapad 3-15ARE, ideapad 3-17ARE | dzcn42ww | dzcn42ww | dzcn42ww |
IdeaPad 3-17ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ARE05, ideapad 3-15ARE05, ideapad 3-17ARE05, V14-ARE | DZCN42WW | DZCN42WW | DZCN42WW |
IdeaPad 3-17IIL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14IIL05, ideapad 3-15IIL05, ideapad 3-17IIL05, V17-IIL | EMCN52WW | EMCN52WW | EMCN52WW |
IdeaPad 3-17ITL6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
L3-15IML05 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - ideapad L3-15IML05 | EJCN27WW | Not Affected | EJCN27WW |
L3-15ITL6 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad L3-15ITL6 | GFCN23WW | GFCN23WW | GFCN23WW |
L340-15IRH Gaming Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - L340-15IRH Gaming, L340-17IRH Gaming | BGCN35WW | BGCN35WW | BGCN35WW |
L340-15IWL Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - L340-15IWL, L340-17IWL, V340-17IWL, V140-15IWL, L340-15IWL Touch | ATCN46WW | ATCN46WW | ATCN46WW |
L340-15IWL Touch Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - L340-15IWL, L340-17IWL, V340-17IWL, V140-15IWL, L340-15IWL Touch | ATCN46WW | ATCN46WW | ATCN46WW |
L340-17IRH Gaming Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - L340-15IRH Gaming, L340-17IRH Gaming | BGCN35WW | BGCN35WW | BGCN35WW |
L340-17IWL Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - L340-15IWL, L340-17IWL, V340-17IWL, V140-15IWL, L340-15IWL Touch | ATCN46WW | ATCN46WW | ATCN46WW |
Legion 5 Pro-16ACH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5-15ACH6, Legion 5 Pro-6ACH6, Legion 5-17ACH6 | HHCN25WW | HHCN25WW | HHCN25WW |
Legion 5 Pro-16ACH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5 Pro-16ACH6H, Legion 5-15ACH6H, Legion 5 17ACH6H, Legion 7-16ACHg6 | GKCN51WW | GKCN51WW | GKCN51WW |
Legion 5 Pro-16ITH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 5 Pro-16ITH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 5-15ACH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5-15ACH6, Legion 5 Pro-6ACH6, Legion 5-17ACH6 | HHCN25WW | HHCN25WW | HHCN25WW |
Legion 5-15ACH6A Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5-15ACH6A | G9CN28WW | G9CN28WW | G9CN28WW |
Legion 5-15ACH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5 Pro-16ACH6H, Legion 5-15ACH6H, Legion 5 17ACH6H, Legion 7-16ACHg6 | GKCN51WW | GKCN51WW | GKCN51WW |
Legion 5-15IMH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5-15IMH6 | G8CN19WW | Not Affected | G8CN19WW |
Legion 5-15ITH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 5-15ITH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 5-17ACH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5-15ACH6, Legion 5 Pro-6ACH6, Legion 5-17ACH6 | HHCN25WW | HHCN25WW | HHCN25WW |
Legion 5-17ACH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5 Pro-16ACH6H, Legion 5-15ACH6H, Legion 5 17ACH6H, Legion 7-16ACHg6 | GKCN51WW | GKCN51WW | GKCN51WW |
Legion 5-17ITH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 5-17ITH6H Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion 7-16ACHg6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 7-16ACHg6 | Not Affected | GKCN52WW | GKCN52WW |
Legion 7-16ACHg6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - Legion 5 Pro-16ACH6H, Legion 5-15ACH6H, Legion 5 17ACH6H, Legion 7-16ACHg6 | GKCN51WW | GKCN51WW | GKCN51WW |
Legion 7-16ITHg6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion 5, Legion 5 Pro, Legion 7 | H1CN46WW | H1CN46WW | H1CN46WW |
Legion S7-15ACH6 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Legion S7-15ACH6 | HACN35WW | Not Affected | HACN35WW |
Legion Y540-15IRH Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y540-15IRH-PG0 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y540-17IRH Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y540-17IRH-PG0 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y545 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y545-PG0 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y7000-2019 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Legion Y7000-2019-PG0 Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Notebook | BHCN44WW | BHCN44WW | BHCN44WW |
Lenovo S14 G2 ITL | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
S145-14API Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14API, S145-15API | BUCN31WW | BUCN31WW | BUCN31WW |
S145-14AST Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14AST, S145-15AST | AYCN26WW | AYCN26WW | AYCN26WW |
S145-14IGM Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14IGM, S145-15IGM | AWCN28WW | AWCN28WW | AWCN28WW |
S145-14IIL Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14IIL, S145-15IIL, V14-IIL, V15-IIL | DKCN54WW | DKCN54WW | DKCN54WW |
S145-15API Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14API, S145-15API | BUCN31WW | BUCN31WW | BUCN31WW |
S145-15AST Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14API, S145-15API | BUCN31WW | BUCN31WW | BUCN31WW |
S145-15AST Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14AST, S145-15AST | AYCN26WW | AYCN26WW | AYCN26WW |
S145-15IGM Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14IGM, S145-15IGM | AWCN28WW | AWCN28WW | AWCN28WW |
S145-15IIL Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S145-14IIL, S145-15IIL, V14-IIL, V15-IIL | DKCN54WW | DKCN54WW | DKCN54WW |
S540-13API Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S540-13API | CXCN34WW | CXCN34WW | CXCN34WW |
S540-13IML Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - S540-13IML | CLCN42WW | Not Affected | CLCN42WW |
Slim 7 Pro-14IHU5 Laptop (IdeaPad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ITL5, Yoga Slim 7 Pro-14IHU5, Yoga Slim 7 Pro-14IHU5 O, IdeaPad Slim 7 Pro-14IHU5 | FJCN71WW | Not Affected | FJCN71WW |
Slim 9-14ITL05 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 9-14ITL05, ideapad Slim 9-14ITL05 | ESCN51WW | Not Affected | ESCN51WW |
V14 G1-IML Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad 3-14IML05, ideapad 3-15IML05, ideapad 3-17IML05, V14 G1-IML, V15 G1-IML | DXCN41WW | Not Affected | DXCN41WW |
V14 G2-ALC Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ALC6, ideapad 3-15ALC6, ideapad 3-17ALC6, V14 G2-ALC, V15 G2-ALC | GLCN43WW | GLCN43WW | GLCN43WW |
V14 G2-ITL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
V14-ADA Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - V14-ADA, V15-ADA, ideapad 3-14ADA05, ideapad 3-15ADA05, ideapad 3-17ADA05 | E8CN33WW | E8CN33WW | E8CN33WW |
V14-ARE Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - V14-ARE, ideapad 3-14ARE, ideapad 3-15ARE, ideapad 3-17ARE | dzcn42ww | dzcn42ww | dzcn42ww |
V14-ARE Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ARE05, ideapad 3-15ARE05, ideapad 3-17ARE05, V14-ARE | DZCN42WW | DZCN42WW | DZCN42WW |
V14-IGL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - V14-IGL, V15-IGL, ideapad 3-14IGL05, ideapad 3-15IGL05 | DVCN23WW | DVCN23WW | DVCN23WW |
V14-IIL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - S145-14IIL, S145-15IIL, V14-IIL, V15-IIL | DKCN54WW | DKCN54WW | DKCN54WW |
V140-15IWL | BIOS Update for Windows 10 (64-bit) - L340-15IWL, L340-17IWL, V340-17IWL, V140-15IWL, L340-15IWL Touch | ATCN46WW | ATCN46WW | ATCN46WW |
V15 G1-IML Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad 3-14IML05, ideapad 3-15IML05, ideapad 3-17IML05, V14 G1-IML, V15 G1-IML | DXCN41WW | Not Affected | DXCN41WW |
V15 G2-ALC Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ALC6, ideapad 3-15ALC6, ideapad 3-17ALC6, V14 G2-ALC, V15 G2-ALC | GLCN43WW | GLCN43WW | GLCN43WW |
V15 G2-ITL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
V15-ADA Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - V14-ADA, V15-ADA, ideapad 3-14ADA05, ideapad 3-15ADA05, ideapad 3-17ADA05 | E8CN33WW | E8CN33WW | E8CN33WW |
V15-IGL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - V14-IGL, V15-IGL, ideapad 3-14IGL05, ideapad 3-15IGL05 | DVCN23WW | DVCN23WW | DVCN23WW |
V15-IIL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - S145-14IIL, S145-15IIL, V14-IIL, V15-IIL | DKCN54WW | DKCN54WW | DKCN54WW |
V17 G2-ITL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
V17-IIL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - ideapad 3-14IIL05, ideapad 3-15IIL05, ideapad 3-17IIL05, V17-IIL | EMCN52WW | EMCN52WW | EMCN52WW |
V340-17IWL Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - L340-15IWL, L340-17IWL, V340-17IWL, V140-15IWL, L340-15IWL Touch | ATCN46WW | ATCN46WW | ATCN46WW |
Yoga 7-14ACN6 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga 7-14ACN6 | H9CN26WW | Not Affected | H9CN26WW |
Yoga C740-14IML Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Yoga C740-14IML, Yoga C740-15IML | BNCN44WW | Not Affected | BNCN44WW |
Yoga C740-15IML Laptop (Lenovo) | BIOS Update for Windows 10 (64-bit) - Yoga C740-14IML, Yoga C740-15IML | BNCN44WW | Not Affected | BNCN44WW |
Yoga C940-14IIL Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga C940-14IIL | AUCN61WW | Not Affected | AUCN61WW |
Yoga Slim 7 Pro-14ACH5 D | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ACH5 D, Yoga Slim 7 Pro-14ACH5 OD | HECN24WW | HECN24WW | HECN24WW |
Yoga Slim 7 Pro-14ACH5 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ACH5, Yoga Slim 7 Pro-14ACH5 O | GZCN27WW | Not Affected | GZCN27WW |
Yoga Slim 7 Pro-14ACH5 O Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ACH5, Yoga Slim 7 Pro-14ACH5 O | GZCN27WW | Not Affected | GZCN27WW |
Yoga Slim 7 Pro-14ACH5 OD | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ACH5 D, Yoga Slim 7 Pro-14ACH5 OD | HECN24WW | HECN24WW | HECN24WW |
Yoga Slim 7 Pro-14ARH5 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ARH5 | G7CN21WW | Not Affected | G7CN21WW |
Yoga Slim 7 Pro-14IHU5 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ITL5, Yoga Slim 7 Pro-14IHU5, Yoga Slim 7 Pro-14IHU5 O, IdeaPad Slim 7 Pro-14IHU5 | FJCN71WW | Not Affected | FJCN71WW |
Yoga Slim 7 Pro-14IHU5 O Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ITL5, Yoga Slim 7 Pro-14IHU5, Yoga Slim 7 Pro-14IHU5 O, IdeaPad Slim 7 Pro-14IHU5 | FJCN71WW | Not Affected | FJCN71WW |
Yoga Slim 7 Pro-14ITL5 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 7 Pro-14ITL5, Yoga Slim 7 Pro-14IHU5, Yoga Slim 7 Pro-14IHU5 O, IdeaPad Slim 7 Pro-14IHU5 | FJCN71WW | Not Affected | FJCN71WW |
Yoga Slim 9-14ITL05 Laptop (ideapad) | BIOS Update for Windows 10 (64-bit) - Yoga Slim 9-14ITL05, ideapad Slim 9-14ITL05 | ESCN51WW | Not Affected | ESCN51WW |
ideapad 3-14IGL05 Laptop | BIOS Update for Windows 10 (64-bit) - V14-IGL, V15-IGL, ideapad 3-14IGL05, ideapad 3-15IGL05 | DVCN23WW | DVCN23WW | DVCN23WW |
ideapad 3-14IIL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14IIL05, ideapad 3-15IIL05, ideapad 3-17IIL05, V17-IIL | EMCN52WW | EMCN52WW | EMCN52WW |
ideapad 3-14IML05 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad 3-14IML05, ideapad 3-15IML05, ideapad 3-17IML05, V14 G1-IML, V15 G1-IML | DXCN41WW | Not Affected | DXCN41WW |
ideapad 3-14ITL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ITL05, ideapad 3-15ITL05 | GCCN26WW | Not Affected | GCCN26WW |
ideapad 3-14ITL6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
ideapad 3-15IIL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14IIL05, ideapad 3-15IIL05, ideapad 3-17IIL05, V17-IIL | EMCN52WW | EMCN52WW | EMCN52WW |
ideapad 3-15IML05 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad 3-14IML05, ideapad 3-15IML05, ideapad 3-17IML05, V14 G1-IML, V15 G1-IML | DXCN41WW | Not Affected | DXCN41WW |
ideapad 3-15ITL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 3-14ITL05, ideapad 3-15ITL05 | GCCN26WW | Not Affected | GCCN26WW |
ideapad 3-15ITL6 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - IdeaPad 3-14ITL6, IdeaPad 3-15ITL6, IdeaPad 3-17ITL6, V14 G2 ITL, V15 G2 ITL. V17 G2 ITL, Lenovo S14 G2 ITL | GGCN33WW | Not Affected | GGCN33WW |
ideapad 3-17IML05 Laptop | BIOS Update for Windows 10 (64-bit) and Windows 11 (64-bit) - ideapad 3-14IML05, ideapad 3-15IML05, ideapad 3-17IML05, V14 G1-IML, V15 G1-IML | DXCN41WW | Not Affected | DXCN41WW |
ideapad 5-15ARE05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 5-15ARE05 | E7CN44WW | E7CN44WW | E7CN44WW |
ideapad 5-15IIL05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad 5-15IIL05 | DPCN54WW | Not Affected | DPCN54WW |
ideapad Creator 5-15IMH05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad Gaming 3-15IMH05, Creator 5-15IMH05 | EGCN36WW | EGCN36WW | EGCN36WW |
ideapad Gaming 3-15ARH05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad Gaming 3-15ARH05 | FCCN17WW | FCCN17WW | FCCN17WW |
ideapad Gaming 3-15IMH05 Laptop | BIOS Update for Windows 10 (64-bit) - ideapad Gaming 3-15IMH05, Creator 5-15IMH05 | EGCN36WW | EGCN36WW | EGCN36WW |
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