CVE-2021-1905: Qualcomm Multiple Chipsets Use-After-Free Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: yes — in CISA KEV since 2021-11-03
EPSS: 1.5% 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 improper handling of memory mapping of multiple processes simultaneously. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Affected products

Qualcomm Apq8009 Firmware: all versions
Qualcomm Apq8009W Firmware: all versions
Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8053 Firmware: all versions
Qualcomm Apq8064Au Firmware: all versions
Qualcomm Apq8096Au Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8031 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Ar8151 Firmware: all versions
Qualcomm Csra6620 Firmware: all versions
Qualcomm Csra6640 Firmware: all versions
Qualcomm Fsm10055 Firmware: all versions
Qualcomm Fsm10056 Firmware: all versions
Qualcomm Mdm9206 Firmware: all versions
Qualcomm Mdm9607 Firmware: all versions
Qualcomm Mdm9626 Firmware: all versions
Qualcomm Mdm9628 Firmware: all versions
Qualcomm Mdm9650 Firmware: all versions
Qualcomm Msm8909W Firmware: all versions
Qualcomm Msm8917 Firmware: all versions
Qualcomm Msm8953 Firmware: all versions
Qualcomm Msm8996Au Firmware: all versions
Qualcomm Pm215 Firmware: all versions
Qualcomm Pm3003A Firmware: all versions
Qualcomm Pm4125 Firmware: all versions
Qualcomm Pm4250 Firmware: all versions
Qualcomm Pm439 Firmware: all versions
Qualcomm Pm456 Firmware: all versions
Qualcomm Pm6125 Firmware: all versions

References

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