What is the severity of CVE-2021-35120?

CVE-2021-35120 is rated as high severity due to its potential to cause use after free vulnerabilities in Qualcomm hardware.

How do I fix CVE-2021-35120?

To fix CVE-2021-35120, users should update their affected Qualcomm firmware to the latest version provided by Qualcomm.

Which Qualcomm devices are affected by CVE-2021-35120?

CVE-2021-35120 affects a variety of Qualcomm devices, including APQ8053, AQT1000, and others as listed in the official security bulletin.

What is the impact of CVE-2021-35120?

The impact of CVE-2021-35120 includes potential arbitrary code execution that can lead to system crashes or unauthorized access.

Is there a workaround for CVE-2021-35120?

There are no known effective workarounds for CVE-2021-35120, so updating the firmware is the recommended action.

Vulnerability/
CVE-2021-35120

medium

6.7

CWE

415 416

14/6/2022

4/8/2024

CVE-2021-35120: Double Free

First published: Tue Jun 14 2022(Updated: )

Improper handling between export and release functions on the same handle from client can lead to use after free in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Qualcomm APQ8053
Qualcomm APQ8053 Firmware
Qualcomm AQT1000 Firmware
Qualcomm AQT1000 Firmware
Qualcomm AR8031
Qualcomm AR8031 Firmware
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm CSRA6620
Qualcomm CSRA6620
Qualcomm CSRA6640 Firmware
Qualcomm csra6640 firmware
Qualcomm MDM9150 Firmware
Qualcomm MDM9150 firmware
Qualcomm 8953Pro Firmware
Qualcomm MSM8953 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574A Firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCM2290
Qualcomm QCM2290 Firmware
Qualcomm QCM4290
Qualcomm QCM4290 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6490
Qualcomm QCM6490 Firmware
Qualcomm QCS2290
Qualcomm QCS2290 Firmware
Qualcomm QCS405 Firmware
Qualcomm QCS405 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS603
Qualcomm QCS603 Firmware
Qualcomm QCS605
Qualcomm QCS605 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QRB5165N Firmware
Qualcomm QRB5165 Firmware
Qualcomm QRB5165M Firmware
Qualcomm QRB5165M Firmware
Qualcomm QRB5165N Firmware
qualcomm qrb5165n firmware
Qualcomm 215 Mobile Firmware
Qualcomm 215 Firmware
Qualcomm SA515M Firmware
Qualcomm SA515M Firmware
Qualcomm SA6155
Qualcomm SA6155 Firmware
Qualcomm SA6155
Qualcomm SA6155P
Qualcomm SA8155P Firmware
Qualcomm SA8155 Firmware
Qualcomm SA8155
Qualcomm SA8155P Firmware
Qualcomm Snapdragon 8 Gen 1 Firmware
Qualcomm SM8475P
Qualcomm SD429
Qualcomm SD429 Firmware
Qualcomm SD460 Firmware
Qualcomm SD460 Firmware
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm SD662 Firmware
Qualcomm SD662 Firmware
Qualcomm SD680 Firmware
Qualcomm SD680 Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm SD750G Firmware
Qualcomm Snapdragon 750G
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765G
Qualcomm SD768 Firmware
Qualcomm SD768G Firmware
Qualcomm Snapdragon 780G Firmware
Qualcomm Snapdragon 780G
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Qualcomm Snapdragon 865 5G Firmware
Qualcomm Snapdragon 865 5G Firmware
Qualcomm SD870
Qualcomm Snapdragon 870
Qualcomm Snapdragon 888 5G Firmware
Qualcomm Snapdragon 888 5G
Qualcomm SDM429W
qualcomm SDM429W firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX65
Qualcomm SDX65M
Qualcomm SDXR2 5G Firmware
Qualcomm SDXR2 5G Firmware
Qualcomm SM4125
Qualcomm SM4125 Firmware
Qualcomm SM7250 Firmware
Qualcomm SM7250
Qualcomm SM7450 Firmware
Qualcomm SM7450 Firmware
Qualcomm SM8475P Firmware
Qualcomm SM8475P
Qualcomm SM8475P Firmware
Qualcomm WCD9326
Qualcomm WCD9326 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9341
Qualcomm WCD9341 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9375
Qualcomm WCD9375 Firmware
Qualcomm WCD9380
Qualcomm WCD9380 Firmware
Qualcomm WCD9385
Qualcomm WCD9385 Firmware
Qualcomm WCN3615 Firmware
Qualcomm WCN3615 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3660B
Qualcomm WCN3660B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3680B Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3950 Firmware
Qualcomm Wcn3980
Qualcomm WCN3980
Qualcomm WCN3988 Firmware
Qualcomm WCN3988 Firmware
Qualcomm WCN3990
Qualcomm WCN3990
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm WCN3998 Firmware
Qualcomm wcn3998 firmware
Qualcomm WCN3999 Firmware
Qualcomm WCN3999 Firmware
Qualcomm WCN6740 Firmware
Qualcomm WCN6740 Firmware
Qualcomm WCN6750 Firmware
Qualcomm WCN6750 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6855 Firmware
Qualcomm WCN6855 Firmware
Qualcomm WCN6856 Firmware
Qualcomm WCN6856 Firmware
Qualcomm WCN7850 Firmware
Qualcomm WCN7850 Firmware
Qualcomm WCN7851
Qualcomm WCN7851 Firmware
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8832 Firmware
Qualcomm WSA8832 Firmware
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

Remedy

https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin

Never miss a vulnerability like this again

Reference Links

https://www.qualcomm.com/company/product-security/bulletins/june-2022-bulletin

Frequently Asked Questions

What is the severity of CVE-2021-35120?
CVE-2021-35120 is rated as high severity due to its potential to cause use after free vulnerabilities in Qualcomm hardware.
How do I fix CVE-2021-35120?
To fix CVE-2021-35120, users should update their affected Qualcomm firmware to the latest version provided by Qualcomm.
Which Qualcomm devices are affected by CVE-2021-35120?
CVE-2021-35120 affects a variety of Qualcomm devices, including APQ8053, AQT1000, and others as listed in the official security bulletin.
What is the impact of CVE-2021-35120?
The impact of CVE-2021-35120 includes potential arbitrary code execution that can lead to system crashes or unauthorized access.
Is there a workaround for CVE-2021-35120?
There are no known effective workarounds for CVE-2021-35120, so updating the firmware is the recommended action.