CWE
129 416
Advisory Published
Updated

CVE-2021-35121: Out-of-bounds Read

First published: Tue Jun 14 2022(Updated: )

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

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Qualcomm APQ8053 Firmware
Qualcomm APQ8053 Firmware
Qualcomm msm8953 firmware
Qualcomm msm8953
Qualcomm qca6390 firmware
Qualcomm qca6390
qualcomm qca6391 firmware
qualcomm qca6391
qualcomm qca6426 firmware
qualcomm qca6426
qualcomm qca6436 firmware
qualcomm qca6436
Qualcomm qcm2290 firmware
Qualcomm qcm2290
Qualcomm qcm4290 firmware
Qualcomm qcm4290
Qualcomm qcs2290 firmware
Qualcomm qcs2290
Qualcomm qcs4290 firmware
Qualcomm qcs4290
qualcomm qrb5165 firmware
qualcomm qrb5165
qualcomm qrb5165m firmware
qualcomm qrb5165m
qualcomm qrb5165n firmware
qualcomm qrb5165n
Qualcomm sd460 firmware
Qualcomm sd460
Qualcomm sd662 firmware
Qualcomm sd662
qualcomm sd680 firmware
qualcomm sd680
qualcomm sd690 5g firmware
qualcomm sd690 5g
Qualcomm sd750g firmware
Qualcomm sd750g
Qualcomm sd765 firmware
Qualcomm sd765
Qualcomm sd765g firmware
Qualcomm sd765g
Qualcomm sd768g firmware
Qualcomm sd768g
qualcomm sd865 5g firmware
qualcomm sd865 5g
Qualcomm sd870 firmware
Qualcomm sd870
Qualcomm sdx55m firmware
Qualcomm sdx55m
qualcomm sdxr2 5g firmware
qualcomm sdxr2 5g
qualcomm sm7250p firmware
qualcomm sm7250p
Qualcomm wcd9326 firmware
Qualcomm wcd9326
Qualcomm wcd9370 firmware
Qualcomm wcd9370
Qualcomm wcd9375 firmware
Qualcomm wcd9375
qualcomm wcd9380 firmware
qualcomm wcd9380
qualcomm wcd9385 firmware
qualcomm wcd9385
Qualcomm wcn3615 firmware
Qualcomm wcn3615
Qualcomm wcn3680b firmware
Qualcomm wcn3680b
Qualcomm wcn3910 firmware
Qualcomm wcn3910
Qualcomm WCN3950 Firmware
qualcomm wcn3950
qualcomm wcn3988 firmware
Qualcomm WCN3988
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm wcn3998 firmware
Qualcomm wcn3998
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
qualcomm wsa8810 firmware
qualcomm wsa8810
qualcomm wsa8815 firmware
qualcomm wsa8815
qualcomm wsa8830 firmware
qualcomm wsa8830
qualcomm wsa8835 firmware
qualcomm wsa8835

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Frequently Asked Questions

  • What is the severity of CVE-2021-35121?

    CVE-2021-35121 is categorized as a high severity vulnerability due to its potential to cause a Use After Free condition.

  • How do I fix CVE-2021-35121?

    To mitigate CVE-2021-35121, you should update to the latest firmware version provided by Qualcomm for the affected devices.

  • What devices are affected by CVE-2021-35121?

    CVE-2021-35121 affects various Qualcomm firmware platforms including APQ8053, msm8953, and others listed in the advisory.

  • What type of vulnerability is CVE-2021-35121?

    CVE-2021-35121 is classified as a Use After Free vulnerability that can lead to unauthorized code execution.

  • Is there a known exploitation for CVE-2021-35121?

    As of now, there are no public reports confirming the active exploitation of CVE-2021-35121.

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