What is the severity of CVE-2021-1947?

CVE-2021-1947 has been classified as a high-severity vulnerability due to the risks associated with use-after-free issues in kernel graphics drivers.

How do I fix CVE-2021-1947?

To fix CVE-2021-1947, you should update your affected Qualcomm firmware or Android operating system to the latest version that addresses this vulnerability.

Which devices are affected by CVE-2021-1947?

CVE-2021-1947 affects various Qualcomm devices across Snapdragon Compute, Connectivity, Industrial IOT, Mobile, Wearables, and Wired Infrastructure.

What type of vulnerability is CVE-2021-1947?

CVE-2021-1947 is a use-after-free vulnerability which can lead to arbitrary code execution or system crashes.

Who reported CVE-2021-1947?

CVE-2021-1947 was reported by Qualcomm as part of their ongoing security efforts and software maintenance.

Vulnerability/
CVE-2021-1947

high

8.4

CWE

416

2/8/2021

17/9/2021

3/8/2024

CVE-2021-1947: Use After Free

First published: Mon Aug 02 2021(Updated: )

Use-after-free vulnerability in kernel graphics driver because of storing an invalid pointer in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Android
Qualcomm PQ8009 Firmware
Qualcomm APQ8009
Qualcomm APQ8053
Qualcomm APQ8053 Firmware
Qualcomm AR9380
Qualcomm AR9380 Firmware
Qualcomm IPQ8064 Firmware
Qualcomm IPQ8064 Firmware
Qualcomm IPQ8065 Firmware
Qualcomm IPQ8065 Firmware
Qualcomm IPQ8068 Firmware
Qualcomm IPQ8068 Firmware
Qualcomm IPQ8069
qualcomm ipq8069 firmware
Qualcomm 8909 Firmware
Qualcomm Snapdragon 8909
Qualcomm 8953Pro Firmware
Qualcomm MSM8953 Firmware
Qualcomm QCA6320 Firmware
Qualcomm QCA6320 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6390 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA6426 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA9531
Qualcomm QCA9531
Qualcomm QCA9558 Firmware
Qualcomm QCA9558 Firmware
qualcomm qca9561 Firmware
Qualcomm QCA9561
Qualcomm QCA9563
Qualcomm QCA9563
Qualcomm QCA9880
Qualcomm QCA9880
Qualcomm QCA9882 Firmware
Qualcomm QCA9882 Firmware
Qualcomm QCA9886 Firmware
Qualcomm QCA9886 Firmware
Qualcomm QCA9887 Firmware
Qualcomm QCA9887 Firmware
Qualcomm QCA9888 Firmware
Qualcomm QCA9888 Firmware
Qualcomm QCA9889 Firmware
Qualcomm QCA9889 Firmware
Qualcomm QCA9896 Firmware
Qualcomm QCA9896 Firmware
Qualcomm QCA9898 Firmware
Qualcomm QCA9898 Firmware
Qualcomm QCA9980 Firmware
Qualcomm QCA9980 Firmware
Qualcomm QCA9982 Firmware
Qualcomm QCA9982 Firmware
Qualcomm QCA9984 Firmware
qualcomm qca9984 firmware
Qualcomm QCA9990 Firmware
Qualcomm QCA9990 Firmware
Qualcomm QCA9992 Firmware
Qualcomm QCA9992 Firmware
Qualcomm QCA9994
Qualcomm QCA9994 Firmware
Qualcomm QCM2290
Qualcomm QCM2290 Firmware
Qualcomm QCM4290
Qualcomm QCM4290 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCM6125 Firmware
Qualcomm QCS2290
Qualcomm QCS2290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS4290 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QET4101
Qualcomm QET4101 Firmware
Qualcomm QRB5165N Firmware
Qualcomm QRB5165 Firmware
Qualcomm QSW8573
Qualcomm QSW8573 Firmware
Qualcomm SD429
Qualcomm SD429 Firmware
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 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 855
Qualcomm Snapdragon 855
Qualcomm Snapdragon 865 5G Firmware
Qualcomm Snapdragon 865 5G Firmware
Qualcomm SD870
Qualcomm Snapdragon 870
Qualcomm SDA429W Firmware
Qualcomm SDA429W Firmware
Qualcomm SDM429W
qualcomm SDM429W firmware
Qualcomm SDM830 Firmware
Qualcomm Snapdragon 830
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SM4125
Qualcomm SM4125 Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm SSM7250-AA Firmware
Qualcomm WCD9326
Qualcomm WCD9326 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9335 Firmware
Qualcomm WCD9340 Firmware
Qualcomm WCD9340 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 WCN3610 Firmware
Qualcomm WCN3610 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 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 WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8815 Firmware
Qualcomm WSA8830
Qualcomm WSA8830
Qualcomm WSA8835
Qualcomm WSA8835 Firmware

Remedy

https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-1947?
CVE-2021-1947 has been classified as a high-severity vulnerability due to the risks associated with use-after-free issues in kernel graphics drivers.
How do I fix CVE-2021-1947?
To fix CVE-2021-1947, you should update your affected Qualcomm firmware or Android operating system to the latest version that addresses this vulnerability.
Which devices are affected by CVE-2021-1947?
CVE-2021-1947 affects various Qualcomm devices across Snapdragon Compute, Connectivity, Industrial IOT, Mobile, Wearables, and Wired Infrastructure.
What type of vulnerability is CVE-2021-1947?
CVE-2021-1947 is a use-after-free vulnerability which can lead to arbitrary code execution or system crashes.
Who reported CVE-2021-1947?
CVE-2021-1947 was reported by Qualcomm as part of their ongoing security efforts and software maintenance.