medium
6.2
CWE
20
Advisory Published
Updated

CVE-2021-1969: Input Validation

First published: Wed Oct 20 2021(Updated: )

Improper validation of kernel buffer address while copying information back to user buffer can lead to kernel memory information exposure to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
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 FSM10055
Qualcomm FSM10055 Firmware
Qualcomm FSM10056
Qualcomm fsm10056 firmware
Qualcomm MDM9150 firmware
Qualcomm MDM9150 firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6391 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6420 Firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6430 firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574 Firmware
qualcomm qca6574a firmware
qualcomm qca6574a firmware
Qualcomm QCA6574 Firmware
Qualcomm QCA6574AU
qualcomm QCA6584AU firmware
Qualcomm QCA6584
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6595AU Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA6696 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCA8337 Firmware
Qualcomm QCM6125
Qualcomm qcm6125 firmware
Qualcomm QCS405 Firmware
Qualcomm QCS405 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS410 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS610 Firmware
Qualcomm QCS6125 Firmware
Qualcomm QCS6125 Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6145P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6150P Firmware
Qualcomm SA6155
Qualcomm SA6155 Firmware
Qualcomm SA6155
Qualcomm SA6155P
Qualcomm SA8145P
Qualcomm SA8145P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8150P Firmware
Qualcomm SA8155P Firmware
Qualcomm SA8155 Firmware
Qualcomm SA8155
Qualcomm SA8155P Firmware
Qualcomm SA8195P
Qualcomm SA8195P Firmware
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
qualcomm sd 8c firmware
Qualcomm Snapdragon 8c
Qualcomm SD 8cx firmware
Qualcomm Snapdragon 8cx
Qualcomm Snapdragon 665
Qualcomm Snapdragon 665
Qualcomm SD 675 Firmware
Qualcomm Snapdragon 675
Qualcomm SD678 Firmware
Qualcomm SD678 Firmware
Qualcomm Snapdragon 720G Firmware
Qualcomm SD720G Firmware
Qualcomm Snapdragon 855
Qualcomm Snapdragon 855
Qualcomm SDA429W Firmware
Qualcomm SDA429W Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55 Firmware
Qualcomm SDX55M Firmware
Qualcomm SDX55M Firmware
Qualcomm SM6250P Firmware
Qualcomm SM6250 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 WCN3610 Firmware
Qualcomm WCN3610 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3620 Firmware
Qualcomm WCN3660B
Qualcomm WCN3660B 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 WCN3999 Firmware
Qualcomm WCN3999 Firmware
Qualcomm WSA8810
Qualcomm WSA8810 Firmware
qualcomm wsa8815 firmware
qualcomm wsa8815 firmware

Remedy

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-1969?

    The severity of CVE-2021-1969 is rated as high due to the potential exposure of kernel memory information to user space.

  • How do I fix CVE-2021-1969?

    To fix CVE-2021-1969, update the affected Qualcomm firmware to a version that addresses the improper validation issue.

  • Which devices are affected by CVE-2021-1969?

    CVE-2021-1969 affects various Qualcomm firmware across Snapdragon Auto, Compute, Consumer IoT, Industrial IoT, Mobile, and Voice & Music technologies.

  • What type of vulnerability is CVE-2021-1969?

    CVE-2021-1969 is classified as an information exposure vulnerability due to improper validation of kernel buffer addresses.

  • Can CVE-2021-1969 lead to further attacks?

    Yes, CVE-2021-1969 could potentially be exploited to gain unauthorized access to sensitive information in kernel memory.

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