What is the severity of CVE-2021-30342?

The severity of CVE-2021-30342 is classified as high due to its potential exploitation that can lead to a race condition.

How do I fix CVE-2021-30342?

To fix CVE-2021-30342, users should update their devices to the latest firmware released by Qualcomm or apply relevant security patches.

Which devices are affected by CVE-2021-30342?

CVE-2021-30342 affects various Qualcomm firmware including Snapdragon Auto, Snapdragon Compute, and multiple other Snapdragon platforms.

What vulnerabilities does CVE-2021-30342 exploit?

CVE-2021-30342 exploits improper integrity checks leading to a potential race condition between PDCP and RRC tasks.

Are there any mitigations for CVE-2021-30342?

Mitigations for CVE-2021-30342 include applying security updates provided by Qualcomm that address the vulnerability.

Vulnerability/
CVE-2021-30342

critical

9.1

CWE

362 367

4/4/2022

14/6/2022

3/8/2024

CVE-2021-30342: 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 Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Android
Qualcomm PQ8009 Firmware
Qualcomm APQ8009
Qualcomm APQ8017
Qualcomm APQ8017
Qualcomm APQ8096AU Firmware
Qualcomm APQ8096AU Firmware
Qualcomm AQT1000 Firmware
Qualcomm AQT1000 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm CSRB31024 Firmware
Qualcomm FSM10055
Qualcomm FSM10055 Firmware
Qualcomm FSM10056 Firmware
Qualcomm FSM10056 Firmware
Qualcomm MDM8207
Qualcomm MDM8207 Firmware
Qualcomm MDM9150 Firmware
Qualcomm MDM9150 firmware
Qualcomm 9205 Firmware
Qualcomm 9205
Qualcomm MDM9206
Qualcomm MDM9206 firmware
qualcomm MDM9207C firmware
qualcomm MDM9207C firmware
Qualcomm MDM9250
Qualcomm MDM9250 Firmware
Qualcomm MD9607 Firmware
Qualcomm MDM9607 firmware
Qualcomm MDM9628 Firmware
Qualcomm MDM9628
Qualcomm MDM9640 Firmware
Qualcomm MDM9640 Firmware
Qualcomm MDM9650
Qualcomm MDM9650 firmware
Qualcomm MDM9655 firmware
Qualcomm MDM9655 firmware
Qualcomm 8909 Firmware
Qualcomm Snapdragon 8909
qualcomm MSM8996AU firmware
Qualcomm MSM8996AU Firmware
Qualcomm QCA4004 Firmware
Qualcomm QCA4004 Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6174A Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6564A
Qualcomm QCA6564A Firmware
Qualcomm QCA6564AU Firmware
Qualcomm QCA6564A
Qualcomm QCA6574 Firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574A Firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
Qualcomm QCA6584
Qualcomm QCA6584AU firmware
Qualcomm QCA6584AU Firmware
Qualcomm QCA6584AU firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9367 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCA9377 Firmware
Qualcomm QCM2290
Qualcomm QCM2290 Firmware
Qualcomm QCM4290
Qualcomm QCM4290 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCS2290
Qualcomm QCS2290 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QSW8573
Qualcomm QSW8573 Firmware
Qualcomm SA415M Firmware
Qualcomm SA415M Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6155
Qualcomm SA6155P
Qualcomm SA8145P
Qualcomm SA8145P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8155
Qualcomm SA8155P Firmware
Qualcomm SA8195P
Qualcomm SA8195P Firmware
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD 8cx Gen 2 Firmware
Qualcomm Snapdragon 8cx Gen 2
Qualcomm 205 Firmware
Qualcomm Snapdragon 205
Qualcomm SD 210 Firmware
Qualcomm SD210 Firmware
Qualcomm SD429
Qualcomm SD429 Firmware
Qualcomm SDM439 Firmware
Qualcomm Snapdragon 439
Qualcomm SD460 Firmware
Qualcomm SD460 Firmware
Qualcomm Snapdragon 660 Firmware
Qualcomm Snapdragon 660
Qualcomm SD662 Firmware
Qualcomm SD662 Firmware
Qualcomm Snapdragon 665
Qualcomm Snapdragon 665
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD678 Firmware
Qualcomm SD678 Firmware
Qualcomm SD680 Firmware
Qualcomm SD680 Firmware
Qualcomm Snapdragon 720G Firmware
Qualcomm SD720G Firmware
Qualcomm SD 730 Firmware
Qualcomm Snapdragon 730
Qualcomm SD7C Firmware
Qualcomm SD7C Firmware
Qualcomm SD850 Firmware
Qualcomm Snapdragon 850
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Qualcomm SDA429W Firmware
Qualcomm SDA429W Firmware
Qualcomm SDM429W
qualcomm SDM429W firmware
Qualcomm SDW2500
Qualcomm SDW2500
Qualcomm SD 12 Firmware
Qualcomm SDX12
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
Qualcomm SDX24
Qualcomm SDX24
Qualcomm SDXR1
Qualcomm SDXR1 Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250 Firmware
Qualcomm SM6250P Firmware
Qualcomm SW5100P
Qualcomm SW5100P
Qualcomm SW5100 Firmware
Qualcomm SW5100 Firmware
Qualcomm WCD9306
Qualcomm WCD9306
Qualcomm WCD9330
Qualcomm WCD9330 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9370 Firmware
Qualcomm WCD9375
Qualcomm WCD9375 Firmware
Qualcomm WCD9380
Qualcomm WCD9380 Firmware
Qualcomm WCN3610 Firmware
Qualcomm WCN3610 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3910 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3950 Firmware
Qualcomm WCN3988 Firmware
Qualcomm WCN3988 Firmware
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm WCN3998 Firmware
Qualcomm wcn3998 firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-30342?
The severity of CVE-2021-30342 is classified as high due to its potential exploitation that can lead to a race condition.
How do I fix CVE-2021-30342?
To fix CVE-2021-30342, users should update their devices to the latest firmware released by Qualcomm or apply relevant security patches.
Which devices are affected by CVE-2021-30342?
CVE-2021-30342 affects various Qualcomm firmware including Snapdragon Auto, Snapdragon Compute, and multiple other Snapdragon platforms.
What vulnerabilities does CVE-2021-30342 exploit?
CVE-2021-30342 exploits improper integrity checks leading to a potential race condition between PDCP and RRC tasks.
Are there any mitigations for CVE-2021-30342?
Mitigations for CVE-2021-30342 include applying security updates provided by Qualcomm that address the vulnerability.