Out-of-bounds read in ThinkPad X13s BIOS - CVE-2022-40518

 

Out-of-bounds read in ThinkPad X13s BIOS - CVE-2022-40518

Published: January 4, 2023 / Updated: January 11, 2023


Vulnerability identifier: #VU70680
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-40518
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local user can trigger out-of-bounds read error and read contents of memory on the system.


Affected software

ThinkPad X13s BIOS
SD865 5G
SD765G
SD768G
SD778G
SD780G
SD7c
SD765
SD870
SD888 5G
SDX50M
SDX55M
SDX65
SDXR1
SD 8CX
SD 8cx Gen2
SD 8cx Gen3
SD460
SD480
SD660
SD662
SDXR2 5G
SD678
SD680
SD690 5G
SD695
SD720G
SD750G
WCN6850
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN3999
WCN6740
WCN6750
WCN3910
WCN6851
WCN6855
WCN6856
WCN7850
WCN7851
WSA8810
WSA8815
WSA8830
WSA8835
WCD9326
SM4125
SM4375
SM6250
SM6250P
SM7250P
SM7315
SM7325P
SXR2150P
WCD9306
SD 8 Gen1 5G
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9371
WCD9375
WCD9380
WCD9385
QCA6595AU
QCA6431
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595
QCA6430
QCA6696
QCA8081
QCA8337
QCA9984
QCM2290
QCM4290
QCM6125
QCM6490
QCA4004
AR8031
AR8035
CSRA6620
CSRA6640
CSRB31024
FSM10056
MDM9205
QAM8295P
QCN6024
QCA6310
QCA6320
QCA6335
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
SA8145P
QSM8350
SA4150P
SA4155P
SA415M
SA515M
SA6145P
SA6150P
SA6155
QSM8250
SA8150P
SA8155
SA8155P
SA8195P
SA8295P
SC8180X+SDX55
SD 675
QCS603
QCN7606
QCN9011
QCN9012
QCN9024
QCN9074
QCS2290
QCS410
QCS4290
AQT1000
QCS610
QCS6125
QCS6490
QCX315
QRB5165
QRB5165M
QRB5165N
Pixel
SD835
SD845
SD850
SD855
SD888
SDX24
SDX55
SD675
SD665
SD670
SD710
SD712
SD730
QCA6574AU
QCA9377
MDM9150
QCA6174A
SA6155P
SA8540P
SA9000P
QCS405
QCS605
QCS8155

How to mitigate CVE-2022-40518

Install updates from vendor's website.

ThinkPad X13s BIOS - update to 1.47
Pixel - update to 2023-03-01

External References

Related Security Bulletins