Permissions, Privileges, and Access Controls in Qualcomm products - CVE-2021-1894
Published: December 7, 2021
Vulnerability identifier: #VU58566
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1894
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Qualcomm
Affected software:
AR8031
AR8035
CSRA6620
CSRA6640
CSRB31024
FSM10055
FSM10056
MDM9205
MDM9628
QCA4004
QCA6390
QCA6391
QCA6426
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595AU
QCA6696
QCA8081
QCA8337
QCA9367
QCA9984
QCM2290
QCM4290
QCM6490
QCS2290
QCS410
QCS4290
QCS610
QCS6490
QCX315
QRB5165
QRB5165N
QSM8250
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA8150P
SA8155
SA8155P
SA8195P
SC8280XP
SD 675
SD 8CX
SD460
SD480
SD662
SD678
SD690 5G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD7c
SD865 5G
SD870
SD888 5G
SDX55M
SDX65
SDXR1
SDXR2 5G
SM6225
SM6250
SM6250P
SM6375
SM7250P
SM7315
SM7325P
SM8450
SM8450P
WCD9306
WCD9330
WCD9335
WCD9340
WCD9360
WCD9370
WCD9375
WCD9380
WCD9385
WCN3910
WCN3950
WCN3988
WCN3991
WCN3999
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WSA8830
WSA8835
MDM9150
QCA6174A
QCA6574AU
QCA9377
QCS405
QCS8155
SA6155P
SA8540P
SA9000P
SD665
SD675
SD730
SD850
SD888
SDX24
SDX55
AR8031
AR8035
CSRA6620
CSRA6640
CSRB31024
FSM10055
FSM10056
MDM9205
MDM9628
QCA4004
QCA6390
QCA6391
QCA6426
QCA6436
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595AU
QCA6696
QCA8081
QCA8337
QCA9367
QCA9984
QCM2290
QCM4290
QCM6490
QCS2290
QCS410
QCS4290
QCS610
QCS6490
QCX315
QRB5165
QRB5165N
QSM8250
SA415M
SA515M
SA6145P
SA6150P
SA6155
SA8145P
SA8150P
SA8155
SA8155P
SA8195P
SC8280XP
SD 675
SD 8CX
SD460
SD480
SD662
SD678
SD690 5G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD7c
SD865 5G
SD870
SD888 5G
SDX55M
SDX65
SDXR1
SDXR2 5G
SM6225
SM6250
SM6250P
SM6375
SM7250P
SM7315
SM7325P
SM8450
SM8450P
WCD9306
WCD9330
WCD9335
WCD9340
WCD9360
WCD9370
WCD9375
WCD9380
WCD9385
WCN3910
WCN3950
WCN3988
WCN3991
WCN3999
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WSA8830
WSA8835
MDM9150
QCA6174A
QCA6574AU
QCA9377
QCS405
QCS8155
SA6155P
SA8540P
SA9000P
SD665
SD675
SD730
SD850
SD888
SDX24
SDX55
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in TrustZone, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2021-1894
Install updates from vendor's website.