Use-after-free in Qualcomm products - CVE-2020-11234

Vulnerability identifier: #VU51882

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-2020-11234

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a use-after-free error in Data HLOS when sending a socket event message to a user application. A malicious application can pass invalid information, if socket is freed by another thread, trigger a use-after-free error and escalate privileges on the system.

QSW8574
SA2150P
RSW8577
RGR7640AU
Qualcomm215
QTM525
QTC801S
QTC800T
QTC800S
QTC800H
QTC410S
SA515M
QSW8573
QSW6310
QSM7250
QPM8895
QPM8830
QPM6585
QPM6582
QPM6375
QPM6325
QPM5679
SD678
SD660
SD632
SD439
SD429
QPM5677
SD8CX
SD8C
SA8155P
SA8155
SA6155
QLN1021AQ
QPA2625
QLN5040
QLN5030
QLN5020
QLN4650
QLN4642
QLN1036AQ
QLN1035BD
QLN1031
QLN1030
QPA4340
QLN1020
QFS2580
QFS2530
QFE4465FC
QFE4455FC
QFE4373FC
QFE4320
QFE4309
QFE4308
QPA8802
QPM5670
QPM5658
QPM5621
QPM5579
QPM5577
QPM5541
QPM4650
QPA8842
QPA8821
QPA8803
QPA8801
QPA8686
QPA8673
QPA6560
QPA5580
QPA5460
QPA5373
QPA4361
QPA4360
WCD9341
WCN3660
WCN3620
WCN3615
WCN3610
WCD9385
WCD9380
WCD9375
WCD9371
WCD9370
WCD9360
WCN3660B
WCD9340
WCD9335
WCD9330
WCD9326
SMR526
SMR525
SMB358S
SMB2351
SMB231
WHS9410
WTR5975
WTR4905
WTR4605
WTR3950
WTR3925
WTR3905
WTR2965
WTR2955
WSA8815
WSA8810
SMB1395
WGR7640
WCN3999
WCN3998
WCN3991
WCN3990
WCN3980
WCN3950
WCN3680B
WCN3680
SD870
SDR845
SDR8250
SDR8150
SDR660G
SDR660
SDR052
SDR051
SDM830
SDR865
SD8655G
SD821
SD820
SD768G
SD765G
SD765
SDXR25G
SMB1390
SMB1381
SMB1380
SMB1360
SMB1358
SMB1357
SMB1355
SMB1351
SMB1350
SM7250P
QFE4305
SDXR1
SDX55M
SDX50M
SDX20M
SDW3100
SDW2500
PM8150B
PM8916
PM8909
PM855P
PM855L
PM855B
PM855A
PM855
PM8250
PM8150L
PM8150C
PM8937
PM8150A
PM8150
PM8009
PM8008
PM8005
PM8004
PM7250B
PM7250
PM7150L
PMI8937
PMW3100
PMR525
PMM8996AU
PMM855AU
PMK8002
PMK8001
PMI8998
PMI8996
PMI8994
PMI8952
PM7150A
PMI632
PME605
PMD9655
PMD9645
PMD9607
PMC1000H
PM8998
PM8996
PM8953
CSR6030
MSM8108
MDM9655
MDM9628
MDM9250
CSRA6640
CSRA6620
MSM8208
AR8151
AR8035
AR8031
AQT1000
APQ8064AU
APQ8009W
PM6125
PM670L
PM670A
PM670
PM660L
PM660A
PM660
PM640P
PM640L
PM640A
PM6150
PMX20
PM439
PM3003A
PM215
MSM8608
MSM8209
QDM5671
QDM5670
QDM5652
QDM5650
QDM5621
QDM5620
QDM3301
QDM2305
QDM2302
QDM2301
QDM5677
QCS603
QCN7606
QCC1110
QCA9367
QCA8337
QFE2082FC
QFE4303
QFE4302
QFE4301
QFE3440FC
QFE3340
QFE3320
QFE3100
QFE2550
QFE2520
QFE2101
QCA6696
QFE2081FC
QFE2080FC
QET6110
QET5100M
QET5100
QET4200AQ
QET4101
QET4100
QDM5679
QAT3555
QCA6174
QCA4020
QBT2000
QBT1500
QBT1000
QAT5533
QAT5522
QAT5516
QAT5515
QCA6175A
QAT3550
QAT3522
QAT3519
QAT3518
QAT3516
QAT3514
PMX55
PMX50
PMX24
QCA6431
QCA6595AU
QCA6595
QCA6584AU
QCA6584
QCA6574A
QCA6574
QCA6564AU
QCA6564A
QCA6436
QCA6430
QCA6426
QCA6421
QCA6420
QCA6391
QCA6390
QCA6335
QCA6320
QCA6310
SD210
SD712
SD710
SD670
SD665
SD450
SD205
SD675
SD636
SA6155P
SD730
SDM630
SDM429W
SD855
SD845
SD835
SDX55
SDX24
SDX20
MDM9650
MDM9640
MDM9607
MDM9206
APQ8096AU
APQ8053
APQ8017
MSM8996AU
MSM8953
MSM8917
MSM8909W
QCS605
QCS405
QCN7605
QCA9379
QCA9377
QCA6174A
QCA6574AU
APQ8009
Google Android

Install updates from vendor's website.

Google Android - addressed in versions 9.0 2021-04-05, 10 2021-04-05, 11 2021-04-05

• https://www.qualcomm.com/company/product-security/bulletins/april-2021-bulletin
• https://source.codeaurora.org/quic/la/kernel/msm-4.19/commit/?id=76a699e746c9b3a1494597a6756ff21fc84b48e4
• https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=82561910f1048593dced3f44243494596972586b

• Multiple vulnerabilities in Qualcomm chipsets
• Multiple vulnerabilities in Google Android