CVE-2021-1974

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-09 · updated 2026-06-17
Weakness: CWE-125

Description

Possible buffer over read due to lack of alignment between map or unmap length of IPA SMMU and WLAN SMMU in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Ar9380 Firmware: all versions
Qualcomm Csr8811 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Fsm10055 Firmware: all versions
Qualcomm Fsm10056 Firmware: all versions
Qualcomm Ipq4018 Firmware: all versions
Qualcomm Ipq4019 Firmware: all versions
Qualcomm Ipq4028 Firmware: all versions
Qualcomm Ipq4029 Firmware: all versions
Qualcomm Ipq5010 Firmware: all versions
Qualcomm Ipq5018 Firmware: all versions
Qualcomm Ipq6000 Firmware: all versions
Qualcomm Ipq6010 Firmware: all versions
Qualcomm Ipq6018 Firmware: all versions
Qualcomm Ipq6028 Firmware: all versions
Qualcomm Ipq8064 Firmware: all versions
Qualcomm Ipq8065 Firmware: all versions
Qualcomm Ipq8068 Firmware: all versions
Qualcomm Ipq8070 Firmware: all versions
Qualcomm Ipq8070A Firmware: all versions
Qualcomm Ipq8071 Firmware: all versions
Qualcomm Ipq8071A Firmware: all versions
Qualcomm Ipq8072 Firmware: all versions
Qualcomm Ipq8072A Firmware: all versions
Qualcomm Ipq8074 Firmware: all versions
Qualcomm Ipq8074A Firmware: all versions
Qualcomm Ipq8076 Firmware: all versions
Qualcomm Ipq8076A Firmware: all versions

References

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