#VU64978 Use-after-free in Qualcomm products - CVE-2021-35133
Published: July 7, 2022
Vulnerability identifier: #VU64978
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-35133
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
AR8035
QCA6391
QCA8081
QCA8337
QCM6490
QCS6490
SD 8 Gen1 5G
SD480
SD780G
SD888 5G
SDX12
SDX65
WCD9335
WCD9341
WCD9370
WCD9375
WCD9380
WCD9385
WCN3988
WCN3991
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WCN7850
WCN7851
WSA8830
WSA8835
QCA6174A
QCA9377
SM7450
SM8475
SM8475P
WSA8832
AR8035
QCA6391
QCA8081
QCA8337
QCM6490
QCS6490
SD 8 Gen1 5G
SD480
SD780G
SD888 5G
SDX12
SDX65
WCD9335
WCD9341
WCD9370
WCD9375
WCD9380
WCD9385
WCN3988
WCN3991
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WCN7850
WCN7851
WSA8830
WSA8835
QCA6174A
QCA9377
SM7450
SM8475
SM8475P
WSA8832
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 the synx driver. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.