CVE-2021-1921

Severity: high (CVSS 7.0 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: 2021-11-12 · updated 2026-06-17
Weakness: CWE-367

Description

Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6420 Firmware: all versions
Qualcomm Qca6421 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6430 Firmware: all versions
Qualcomm Qca6431 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qca6574Au Firmware: all versions
Qualcomm Qca6595 Firmware: all versions
Qualcomm Qcm6490 Firmware: all versions
Qualcomm Qcs6490 Firmware: all versions
Qualcomm Qrb5165 Firmware: all versions
Qualcomm Qrb5165N Firmware: all versions
Qualcomm Qsm8350 Firmware: all versions
Qualcomm Sa6155P Firmware: all versions
Qualcomm Sa8195P Firmware: all versions
Qualcomm Sd675 Firmware: all versions
Qualcomm Sd778G Firmware: all versions
Qualcomm Sd780G Firmware: all versions
Qualcomm Sd855 Firmware: all versions
Qualcomm Sd865 5G Firmware: all versions
Qualcomm Sd870 Firmware: all versions
Qualcomm Sd888 5G Firmware: all versions
Qualcomm Sd 8C Firmware: all versions
Qualcomm Sd 8Cx Firmware: all versions
Qualcomm Sdm830 Firmware: all versions
Qualcomm Sdx24 Firmware: all versions
Qualcomm Sdx55 Firmware: all versions

References

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