Buffer Over-read in Qualcomm products - CVE-2021-1928

Vulnerability identifier: #VU55511

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-1928

CWE-ID: CWE-126

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect check of buffer size while flashing emmc devices. An attacker with physical access to device can perform a denial of service (DoS) attack.

QCN5021
QCN5502
QCN5500
QCN5164
QCN5154
QCN5152
QCN5124
QCN5122
QCN5121
QCN5064
QCN5054
QCN5052
QCN5024
QCN5022
QCN5550
QCA9994
QCA9992
QCA9990
QCA9985
QCA9984
QCA9982
QCA9898
QCA9896
QCA9889
QCA9888
QCA9887
Qualcomm215
WSA8815
WSA8810
WCN3980
WCN3680B
WCN3660B
WCN3620
WCN3610
WCD9340
WCD9330
WCD9326
SDA429W
QCA9886
QFE1952
QFE1922
QCN9100
QCN9074
QCN9072
QCN9070
QCN9024
QCN9022
QCN9012
QCN9000
QCN6024
QCN6023
IPQ6018
IPQ8074A
IPQ8072A
IPQ8072
IPQ8071A
IPQ8071
IPQ8070A
IPQ8070
IPQ8069
IPQ8068
IPQ8065
IPQ6028
IPQ8076
IPQ6010
IPQ6005
IPQ6000
IPQ5018
IPQ5010
IPQ4029
IPQ4028
IPQ4018
CSR8811
AR9380
QCA6438
QCA9882
QCA9880
QCA9563
QCA9561
QCA9367
QCA8081
QCA8075
QCA8072
QCA7500
QCA6694
QCA6428
QCA6335
QCA6320
QCA6310
QCA4024
PMP8074
IPQ8174
IPQ8173
IPQ8078A
IPQ8078
IPQ8076A
QCA9980
SD210
SD205
IPQ8074
IPQ8064
IPQ4019
APQ8053
QCA9558
QCA9531
QCA9377
APQ8009
MDM9206

Install updates from vendor's website.

• https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin
• https://source.codeaurora.org/quic/le/kernel/lk/commit/?id=183e867d1b648772b6e8cddcd140968f1f8d5ecd

• Multiple vulnerabilities in Qualcomm chipsets