CVE-2021-35121

Severity: medium (CVSS 6.7 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: 2022-06-14 · updated 2026-06-17
Weakness: CWE-129

Description

An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Affected products

Qualcomm Apq8053 Firmware: all versions
Qualcomm Msm8953 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qcm2290 Firmware: all versions
Qualcomm Qcm4290 Firmware: all versions
Qualcomm Qcs2290 Firmware: all versions
Qualcomm Qcs4290 Firmware: all versions
Qualcomm Qrb5165 Firmware: all versions
Qualcomm Qrb5165M Firmware: all versions
Qualcomm Qrb5165N Firmware: all versions
Qualcomm Sd460 Firmware: all versions
Qualcomm Sd662 Firmware: all versions
Qualcomm Sd680 Firmware: all versions
Qualcomm Sd690 5G Firmware: all versions
Qualcomm Sd750G Firmware: all versions
Qualcomm Sd765 Firmware: all versions
Qualcomm Sd765G Firmware: all versions
Qualcomm Sd768G Firmware: all versions
Qualcomm Sd865 5G Firmware: all versions
Qualcomm Sd870 Firmware: all versions
Qualcomm Sdx55M Firmware: all versions
Qualcomm Sdxr2 5G Firmware: all versions
Qualcomm Sm7250P Firmware: all versions
Qualcomm Wcd9326 Firmware: all versions
Qualcomm Wcd9370 Firmware: all versions
Qualcomm Wcd9375 Firmware: all versions
Qualcomm Wcd9380 Firmware: all versions

References

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