Stack-based buffer overflow in ThinkPad X13s BIOS - CVE-2022-40520
Published: January 4, 2023 / Updated: January 11, 2023
Vulnerability identifier: #VU70677
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-40520
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
ThinkPad X13s BIOS
SD870
SD778G
SD780G
SD7c
SD820
SD865 5G
SD768G
SD888 5G
SDX50M
SDX55M
SDX65
SD678
SD 675
SD 8 Gen1 5G
SD 8CX
SD 8cx Gen2
SD 8cx Gen3
SD660
SDXR1
SD690 5G
SD720G
SD750G
SD765
SD765G
WCN6851
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCD9385
WCN6855
WCN6856
WCN7850
WCN7851
WSA8810
WSA8815
WSA8830
WSA8835
WCD9326
SDXR2 5G
SM6250
SM6250P
SM7250P
SM7315
SM7325P
SXR2150P
WCD9306
SD 636
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
QCA6574
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6391
QCA6574A
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA8081
QCA8337
AQT1000
AR8035
CSRB31024
FSM10056
MDM9205
QAM8295P
QCA4004
QCA6310
QCA6320
QCA6335
QCA6390
SA8150P
SA4155P
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA4150P
SA8155
SA8155P
SA8195P
SA8295P
SC8180X+SDX55
SD 455
QCS610
QCM6490
QCN6024
QCN9011
QCN9012
QCN9024
QCS410
QCS603
APQ8064AU
QCS6490
QCX315
QRB5165
QRB5165M
QRB5165N
QSM8250
QSM8350
SD835
SD845
SD850
SD855
SD888
SDM630
SDX24
SDX55
SD670
SD675
SD710
SD712
SD730
QCA6574AU
MDM9650
APQ8096AU
MDM9150
MDM9640
QCA9377
MSM8996AU
QCA6174A
SA6155P
SA8540P
SA9000P
QCS605
QCS8155
Google Android
SD870
SD778G
SD780G
SD7c
SD820
SD865 5G
SD768G
SD888 5G
SDX50M
SDX55M
SDX65
SD678
SD 675
SD 8 Gen1 5G
SD 8CX
SD 8cx Gen2
SD 8cx Gen3
SD660
SDXR1
SD690 5G
SD720G
SD750G
SD765
SD765G
WCN6851
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCD9385
WCN6855
WCN6856
WCN7850
WCN7851
WSA8810
WSA8815
WSA8830
WSA8835
WCD9326
SDXR2 5G
SM6250
SM6250P
SM7250P
SM7315
SM7325P
SXR2150P
WCD9306
SD 636
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
QCA6574
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6391
QCA6574A
QCA6584AU
QCA6595
QCA6595AU
QCA6696
QCA8081
QCA8337
AQT1000
AR8035
CSRB31024
FSM10056
MDM9205
QAM8295P
QCA4004
QCA6310
QCA6320
QCA6335
QCA6390
SA8150P
SA4155P
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA4150P
SA8155
SA8155P
SA8195P
SA8295P
SC8180X+SDX55
SD 455
QCS610
QCM6490
QCN6024
QCN9011
QCN9012
QCN9024
QCS410
QCS603
APQ8064AU
QCS6490
QCX315
QRB5165
QRB5165M
QRB5165N
QSM8250
QSM8350
SD835
SD845
SD850
SD855
SD888
SDM630
SDX24
SDX55
SD670
SD675
SD710
SD712
SD730
QCA6574AU
MDM9650
APQ8096AU
MDM9150
MDM9640
QCA9377
MSM8996AU
QCA6174A
SA6155P
SA8540P
SA9000P
QCS605
QCS8155
Google Android
How to mitigate CVE-2022-40520
Install updates from vendor's website.
ThinkPad X13s BIOS - update to 1.47
Google Android - addressed in versions 11 2023-06-05, 12L 2023-06-05, 12 2023-06-05, 13 2023-06-05
Google Android - addressed in versions 11 2023-06-05, 12L 2023-06-05, 12 2023-06-05, 13 2023-06-05