Buffer Over-read in Qualcomm products - CVE-2021-35085

Vulnerability identifier: #VU63097

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-2021-35085

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 the WLAN Host Communication component. A local application can trigger buffer over-read error and cause a denial of service.

SDX65
WCD9380
WCD9375
WCD9370
WCD9360
WCD9341
SM7325P
SM7250P
SDXR2 5G
WCD9385
SDX55M
SD888 5G
SD870
SD865 5G
SD780G
SD778G
WCN6851
WSA8835
WSA8830
WSA8815
WSA8810
WCN7851
WCN7850
WCN6856
WCN6855
SD768G
WCN6850
WCN6750
WCN6740
WCN3998
WCN3991
WCN3988
WCN3950
QCA6436
QCA8337
QCA8081
QCA6696
QCA6595AU
QCA6574A
QCA6574
QCA6564AU
QCM4290
QCA6430
QCA6426
QCA6420
QCA6391
QCA6390
QCA6175A
CSRB31024
AR8035
SD460
SD765G
SD765
SD750G
SD695
SD690 5G
SD680
SD662
SD480
AQT1000
SD 8 Gen1 5G
SA8195P
SA8155P
SA515M
SA415M
QCS4290
SDX55
SD855
QCA6574AU
SA6155P

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=e1aea60710fbd4590f78bfc0c7d559f7669f0d4c

• Multiple vulnerabilities in Qualcomm chipsets