Buffer Over-read in Qualcomm products - CVE-2021-35084

Vulnerability identifier: #VU63095

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-35084

CWE-ID: CWE-126

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to cause a denial of service.

The vulnerability exists due to buffer over-read error in Automotive Connectivity component. A local application can trigger buffer over-read error and cause a denial of service.

SD870
WCD9360
WCD9341
WCD9335
SM7325P
SM7250P
SDXR2 5G
SDX65
SDX55M
SDX12
SD888 5G
WCD9370
SD865 5G
SD780G
SD778G
SD768G
SD765G
SD765
SD750G
SD695
SD690 5G
WCN6740
WSA8835
WSA8830
WSA8815
WSA8810
WCN7851
WCN7850
WCN6856
WCN6855
WCN6851
WCN6850
WCN6750
SD680
WCN3999
WCN3998
WCN3991
WCN3990
WCN3988
WCN3980
WCN3950
WCD9385
WCD9380
WCD9375
QCA6426
QCA8337
QCA8081
QCA6696
QCA6595AU
QCA6574A
QCA6574
QCA6564AU
QCA6436
QCA6430
QCA6420
QCA6391
QCA6390
QCA6175A
CSRB31024
CSRA6640
CSRA6620
AR8035
AR8031
QRB5165
SD662
SD480
SD460
SD 8 Gen1 5G
SA8195P
SA8155P
SA515M
SA415M
QRB5165N
QRB5165M
AQT1000
QCS6125
QCS610
QCS4290
QCS410
QCN7606
QCM6125
QCM4290
SDX55
SD855
QCA9377
QCA6574AU
QCA9379
QCA6174A
SA6155P
QCS605
QCS405
QCN7605

Install updates from vendor's website.

• https://docs.qualcomm.com/bundle/publicresource/HD-10000-1/topics/may-2022-bulletin.html
• https://source.codeaurora.org/quic/qsdk/platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn/commit/?id=022554eb485fe7ecd251341c6115e5ece40f3927

• Multiple vulnerabilities in Qualcomm chipsets