What is the severity of CVE-2021-30343?

CVE-2021-30343 is classified as a high-severity vulnerability that can lead to a race condition.

How do I fix CVE-2021-30343?

To mitigate CVE-2021-30343, it is recommended to update to the latest firmware provided by Qualcomm for affected devices.

What products are affected by CVE-2021-30343?

CVE-2021-30343 affects various Qualcomm products including those in Snapdragon Auto, Compute, Connectivity, and Mobile categories.

What types of attacks can CVE-2021-30343 facilitate?

CVE-2021-30343 can potentially enable unauthorized access or manipulation of tasks between PDCP and RRC.

Is CVE-2021-30343 widely exploited?

As of now, there are no known instances of active exploitation of CVE-2021-30343.

Vulnerability/
CVE-2021-30343

critical

9.1

CWE

362 367

4/4/2022

14/6/2022

3/8/2024

CVE-2021-30343: Race Condition

First published: Mon Apr 04 2022(Updated: )

Improper integrity check can lead to race condition between tasks PDCP and RRC? after a valid RRC Command packet has been received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Android
Qualcomm AR8035 Firmware
Qualcomm AR8035 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6436 Firmware
Qualcomm QCA6436 Firmware
qualcomm qca6574a firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8081 firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCM6490
Qualcomm QCM6490 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCS6490 Firmware
Qualcomm QCX315 Firmware
Qualcomm QCX315
Qualcomm SA515M Firmware
Qualcomm SA515M Firmware
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm Snapdragon 8 Gen 1 Firmware
Qualcomm SM8475P
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD678 Firmware
Qualcomm SD678 Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 690 5G Firmware
Qualcomm Snapdragon 720G Firmware
Qualcomm SD720G Firmware
Qualcomm SD 730 Firmware
Qualcomm Snapdragon 730
Qualcomm SD750G Firmware
Qualcomm Snapdragon 750G
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765
Qualcomm SD765 Firmware
Qualcomm Snapdragon 765G
Qualcomm SD768G Firmware
Qualcomm SD768G Firmware
Qualcomm SD778G Firmware
Qualcomm SD778G
Qualcomm Snapdragon 780G Firmware
Qualcomm Snapdragon 780G
Qualcomm Snapdragon 865 5G Firmware
Qualcomm Snapdragon 865 5G Firmware
Qualcomm SD870
Qualcomm SD870 Firmware
Qualcomm Snapdragon 888 Firmware
Qualcomm Snapdragon 888 Firmware
Qualcomm Snapdragon 888 5G Firmware
Qualcomm Snapdragon 888 5G
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 SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
qualcomm sm6375
qualcomm sm6375 firmware
Qualcomm SM7250 Firmware
Qualcomm SM7250
Qualcomm SM7315
Qualcomm SM7315 Firmware
Qualcomm SM7325P Firmware
Qualcomm SM7325P Firmware
Qualcomm WCD9341
Qualcomm WCD9341 Firmware
Qualcomm WCD9360 Firmware
Qualcomm WCD9360 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9375
Qualcomm WCD9375 Firmware
Qualcomm WCD9380
Qualcomm WCD9380 Firmware
Qualcomm WCD9385
Qualcomm WCD9385 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3950 Firmware
Qualcomm Wcn3980
qualcomm wcn3980 firmware
qualcomm wcn3988 firmware
Qualcomm WCN3988
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm wcn3998 firmware
Qualcomm wcn3998 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
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
qualcomm wsa8815 firmware
qualcomm wsa8815 firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-30343?
CVE-2021-30343 is classified as a high-severity vulnerability that can lead to a race condition.
How do I fix CVE-2021-30343?
To mitigate CVE-2021-30343, it is recommended to update to the latest firmware provided by Qualcomm for affected devices.
What products are affected by CVE-2021-30343?
CVE-2021-30343 affects various Qualcomm products including those in Snapdragon Auto, Compute, Connectivity, and Mobile categories.
What types of attacks can CVE-2021-30343 facilitate?
CVE-2021-30343 can potentially enable unauthorized access or manipulation of tasks between PDCP and RRC.
Is CVE-2021-30343 widely exploited?
As of now, there are no known instances of active exploitation of CVE-2021-30343.