CVE-2021-1927

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% 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

Possible use after free due to lack of null check while memory is being freed in FastRPC driver 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 Apq8009 Firmware: all versions
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 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 Ipq6005 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

References

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