Use-after-free in Qualcomm products - CVE-2021-30334
Published: April 5, 2022
Vulnerability identifier: #VU61880
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-30334
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error when checking DRM file status in Display component. A malicious application can trigger a use-after-fee error and execute arbitrary code with elevated privileges.
Affected software
SD8885G
SD765G
SD768G
SD778G
SD780G
SD8655G
SD870
SD765
SDA429W
SDX55M
SDX65
SDXR1
SDXR25G
SD750G
SD720G
SD6905G
SD678
SD662
SD660
SD480
SD460
SD439
SD429
SD8Gen15G
WCN3610
WSA8835
WSA8830
WCN6856
WCN6855
WCN6851
WCN6850
WCN6750
WCN6740
WCN3999
WCN3998
WCN3991
WCN3988
WCN3950
WCN3910
WCN3620
WCD9385
WCD9380
WCD9375
WCD9370
WCD9360
WCD9335
SXR2150P
SW5100P
SW5100
SM7325P
SM7315
SM7250P
SM6375
SM6250P
SM6250
QCA8081
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595AU
QCA6696
QCA6436
QCA8337
QCM2290
QCM4290
QCM6125
QCM6490
QCN9011
QCN9012
QCA6426
QCA6391
QCA6390
QAM8295P
FSM10056
FSM10055
CSRB31024
CSRA6640
CSRA6620
AR8035
AR8031
AQT1000
QSM8250
SA8295P
SA8195P
SA8155P
SA8155
SA8150P
SA8145P
SA6155
SA6150P
SA6145P
SA515M
SA415M
SA4155P
SA4150P
QSW8573
APQ8009W
QRB5165N
QRB5165M
QRB5165
QET4101
QCX315
QCS6490
QCS6125
QCS610
QCS603
QCS4290
QCS410
QCS2290
SD855
SD888
SDM429W
SDX24
SDX55
SD730
SD665
SD210
SD205
SD675
QCA6574AU
QCA9377
QCA6174A
MSM8909W
MDM9150
SA6155P
QCS8155
QCS605
QCS405
Google Android
SD765G
SD768G
SD778G
SD780G
SD8655G
SD870
SD765
SDA429W
SDX55M
SDX65
SDXR1
SDXR25G
SD750G
SD720G
SD6905G
SD678
SD662
SD660
SD480
SD460
SD439
SD429
SD8Gen15G
WCN3610
WSA8835
WSA8830
WCN6856
WCN6855
WCN6851
WCN6850
WCN6750
WCN6740
WCN3999
WCN3998
WCN3991
WCN3988
WCN3950
WCN3910
WCN3620
WCD9385
WCD9380
WCD9375
WCD9370
WCD9360
WCD9335
SXR2150P
SW5100P
SW5100
SM7325P
SM7315
SM7250P
SM6375
SM6250P
SM6250
QCA8081
QCA6564
QCA6564A
QCA6564AU
QCA6574
QCA6574A
QCA6595AU
QCA6696
QCA6436
QCA8337
QCM2290
QCM4290
QCM6125
QCM6490
QCN9011
QCN9012
QCA6426
QCA6391
QCA6390
QAM8295P
FSM10056
FSM10055
CSRB31024
CSRA6640
CSRA6620
AR8035
AR8031
AQT1000
QSM8250
SA8295P
SA8195P
SA8155P
SA8155
SA8150P
SA8145P
SA6155
SA6150P
SA6145P
SA515M
SA415M
SA4155P
SA4150P
QSW8573
APQ8009W
QRB5165N
QRB5165M
QRB5165
QET4101
QCX315
QCS6490
QCS6125
QCS610
QCS603
QCS4290
QCS410
QCS2290
SD855
SD888
SDM429W
SDX24
SDX55
SD730
SD665
SD210
SD205
SD675
QCA6574AU
QCA9377
QCA6174A
MSM8909W
MDM9150
SA6155P
QCS8155
QCS605
QCS405
Google Android
How to mitigate CVE-2021-30334
Install updates from vendor's website.
Google Android - addressed in versions 10 2022-04-05, 11 2022-04-05, 12L 2022-04-05, 12 2022-04-05
External References
- https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletin
- https://source.codeaurora.org/quic/le/platform/vendor/opensource/display-drivers/commit/?id=3d8c6200be552fd63de67261d78e62a6eb8a689b
- https://source.codeaurora.org/quic/la/kernel/msm-4.14/commit/?id=ee1a1b1fef68b2199eb54a6347ac92fb530d0e88
- https://source.codeaurora.org/quic/le/platform/vendor/opensource/display-drivers/commit/?id=070934308cd58693ee33f782facf69e5be0e0f02