Permissions, Privileges, and Access Controls in Qualcomm products - CVE-2021-1894

Vulnerability identifier: #VU58566

CSH Severity: Low

CVSS v4: 8.4 [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]

CVE-ID: CVE-2021-1894

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

SD780G
SM6250
SM6225
SDXR2 5G
SDXR1
SDX65
SDX55M
SD888 5G
SD870
SD865 5G
SD7c
SM6250P
SD778G
SD768G
SD765G
SD765
SD750G
SD720G
SD690 5G
SD678
SD662
SD480
SD460
WCD9380
WSA8835
WSA8830
WCN6856
WCN6855
WCN6851
WCN6850
WCN6750
WCN6740
WCN3999
WCN3991
WCN3988
WCN3950
WCN3910
WCD9385
SD 8CX
WCD9375
WCD9370
WCD9360
WCD9340
WCD9335
WCD9330
WCD9306
SM8450P
SM8450
SM7325P
SM7315
SM7250P
SM6375
QCA6426
QCA9984
QCA9367
QCA8337
QCA8081
QCA6696
QCA6595AU
QCA6574A
QCA6574
QCA6564AU
QCA6564A
QCA6564
QCA6436
QCM2290
QCA6391
QCA6390
QCA4004
MDM9628
MDM9205
FSM10056
FSM10055
CSRB31024
CSRA6640
CSRA6620
AR8035
SA415M
SD 675
SC8280XP
SA8195P
SA8155P
SA8155
SA8150P
SA8145P
SA6155
SA6150P
SA6145P
SA515M
AR8031
QSM8250
QRB5165N
QRB5165
QCX315
QCS6490
QCS610
QCS4290
QCS410
QCS2290
QCM6490
QCM4290
SDX55
SDX24
SD888
SD850
SD730
SD675
SD665
QCA9377
QCA6574AU
QCA6174A
MDM9150
SA9000P
SA8540P
SA6155P
QCS8155
QCS405

Install updates from vendor's website.

• https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

• Multiple vulnerabilities in Qualcomm chipsets