#VU53860 Use-after-free in Qualcomm products - CVE-2021-1900

Vulnerability identifier: #VU53860

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-2021-1900

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
APQ8009
APQ8017
APQ8053
APQ8096AU
MDM9206
MDM9650
MSM8909W
MSM8953
MSM8996AU
QCA6174A
QCA6574AU
QCA9377
QCA9379
QCS405
QCS605
SA6155P
SD636
SD450
SD670
SD675
SD710
SD712
SD835
SD845
SD855
SDM630
SDX20
SDX55
APQ8009W
APQ8064AU
AQT1000
AR8031
CSRA6620
CSRA6640
MDM9250
QCA4020
QCA6175A
QCA6310
QCA6320
QCA6335
QCA6390
QCA6420
QCA6430
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595
QCA6595AU
QCA6696
QCA9367
QCS603
Qualcomm215
SA6155
SA8155
SA8155P
SD455
SD8CX
SD429
SD439
SD632
SD660
SDM830
SDW2500
SDX20M
SDX50M
SDX55M
WCD9326
WCD9330
WCD9335
WCD9340
WCD9341
WCD9360
WCD9370
WCD9375
WCN3610
WCN3615
WCN3620
WCN3660
WCN3660B
WCN3680
WCN3680B
WCN3950
WCN3980
WCN3990
WCN3998
WCN3999
WHS9410
WSA8810
WSA8815

Software vendor:
Qualcomm

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

The vulnerability exists due to a boundary error in the Display subsystem. A local application can trigger a race condition while creating an external display and escalate privileges on the system.

Install updates from vendor's website.

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