#VU56344 Double Free in Qualcomm products - CVE-2021-1934

Vulnerability identifier: #VU56344

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-2021-1934

CWE-ID: CWE-415

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
APQ8017
APQ8053
MSM8917
MSM8953
QCA6574AU
QCS605
SA6155P
SD636
SD675
SD665
SD670
SD730
SD835
SD855
SD888
SDM630
SDX55
AQT1000
QCA6310
QCA6320
QCA6390
QCA6391
QCA6420
QCA6421
QCA6426
QCA6430
QCA6431
QCA6436
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595
QCA6595AU
QCA6696
QCM4290
QCM6125
QCS4290
QCS6125
Qualcomm215
SA6145P
SA6155
SA8150P
SA8155
SA8155P
SA8195P
SD429
SD439
SD460
SD632
SD662
SD678
SD6905G
SD720G
SD750G
SD765
SD765G
SD768G
SD778G
SD780G
SD8655G
SD870
SD8885G
SDX50M
SDX55M
SDXR1
SDXR25G
SM4125
SM6250
SM6250P
SM7250
SM7325
WCD9340
WCD9370
WCD9375
WCD9380
WCD9385
WCN3615
WCN3660B
WCN3680
WCN3680B
WCN3910
WCN3950
WCN3988
WCN3991
WCN3998
WCN6740
WCN6750
WCN6850
WCN6851
WCN6855
WCN6856
WSA8810
WSA8815
WSA8830
WSA8835

Software vendor:
Qualcomm

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within Digital Rights Management in Content Protection due to improper check when application loader object is explicitly destructed while application is unloading. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

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