CVE-2021-1891

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-07 · updated 2026-06-17
Weakness: CWE-416

Description

A possible use-after-free occurrence in audio driver can happen when pointers are not properly handled in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Affected products

Qualcomm Apq8009W Firmware: all versions
Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8053 Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8031 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Ar9380 Firmware: all versions
Qualcomm Csr8811 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Ipq4018 Firmware: all versions
Qualcomm Ipq4028 Firmware: all versions
Qualcomm Ipq4029 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

References

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