Input validation error in Qualcomm products - CVE-2021-35092
Published: May 12, 2022 / Updated: May 12, 2022
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied input when processing DCB/AVB algorithm with an invalid queue index from IOCTL request. A local application can cause an arbitrary address modification and escalate privileges on the system.
Affected software
WCN3615
WCD9385
WCD9380
WCD9375
WCD9370
WCD9360
WCD9341
WCD9335
WCD9326
SM7325P
WCN3660B
SDX65
SDX55M
SDX12
SD888 5G
SD870
SD865 5G
SD780G
WCN6750
WSA8835
WSA8830
WSA8815
WSA8810
WCN7851
WCN7850
WCN6856
WCN6855
WCN6851
WCN6850
SD778G
WCN6740
WCN3998
WCN3991
WCN3990
WCN3988
WCN3980
WCN3950
WCN3680B
WCN3680
QCA8337
QCA8081
QCA6696
QCA6595AU
QCA6574A
QCA6430
QCA6420
QCA6391
QCA6390
CSRA6640
CSRA6620
AR8035
AR8031
AQT1000
SD460
SD768G
SD765G
SD765
SD750G
SD695
SD690 5G
SD680
SD662
SD480
SD 8 Gen1 5G
Qualcomm215
QRB5165N
QRB5165M
QRB5165
QCS610
QCS410
SDX55
SD855
QCA6174A
QCA6574AU
QCA9377
MSM8953
MDM9650
MDM9150
APQ8096AU
APQ8053
QCS605
QCS405
How to mitigate CVE-2021-35092
External References
- https://docs.qualcomm.com/bundle/publicresource/HD-10000-1/topics/may-2022-bulletin.html
- https://source.codeaurora.org/quic/qsdk/platform/vendor/qcom-opensource/data-kernel/commit/?id=750c833c5fff296626289fc804a3065b37ce191f
- https://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=b48cdc1354929396bdc24194f94349d41e685f76