#VU54540 Use-after-free in Qualcomm products - CVE-2021-1940
Published: July 5, 2021
Vulnerability identifier: #VU54540
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-1940
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
AQT1000
AR8031
AR8035
CSRA6620
CSRA6640
FSM10055
FSM10056
QCA6391
QCA6420
QCA6430
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6584AU
QCA6595AU
QCA6696
QCA8337
QCM6125
QCS410
QCS610
QCS6125
SA415M
SA515M
SA6145P
SA6155
SA8155
SA8155P
SA8195P
SD8C
SD8CX
SD660
SD678
SD720G
SDA429W
SDX50M
SDX55M
SM6250
SM6250P
WCD9335
WCD9340
WCD9341
WCD9370
WCD9375
WCD9380
WCN3610
WCN3620
WCN3660B
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN3999
WSA8810
WSA8815
QCA6574AU
QCS405
SA6155P
SD675
SD665
SD730
SD855
SDX55
AQT1000
AR8031
AR8035
CSRA6620
CSRA6640
FSM10055
FSM10056
QCA6391
QCA6420
QCA6430
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6584AU
QCA6595AU
QCA6696
QCA8337
QCM6125
QCS410
QCS610
QCS6125
SA415M
SA515M
SA6145P
SA6155
SA8155
SA8155P
SA8195P
SD8C
SD8CX
SD660
SD678
SD720G
SDA429W
SDX50M
SDX55M
SM6250
SM6250P
WCD9335
WCD9340
WCD9341
WCD9370
WCD9375
WCD9380
WCN3610
WCN3620
WCN3660B
WCN3950
WCN3980
WCN3988
WCN3990
WCN3991
WCN3998
WCN3999
WSA8810
WSA8815
QCA6574AU
QCS405
SA6155P
SD675
SD665
SD730
SD855
SDX55
Software vendor:
Qualcomm
Qualcomm
Description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in neural processing when handling firmware responses. A malicious application can trigger a use-after-free error and escalate privileges on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install updates from vendor's website.