high
8.4
CWE
119
Advisory Published
Updated

CVE-2021-30316: Buffer Overflow

First published: Wed Oct 20 2021(Updated: )

Possible out of bound memory access due to improper boundary check while creating HSYNC fence in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Credit: product-security@qualcomm.com

Affected SoftwareAffected VersionHow to fix
Qualcomm ar8031 firmware
Qualcomm ar8031
Qualcomm csra6620 firmware
Qualcomm csra6620
Qualcomm csra6640 firmware
Qualcomm csra6640
Qualcomm fsm10055 firmware
Qualcomm fsm10055
Qualcomm fsm10056 firmware
Qualcomm fsm10056
Qualcomm MDM9150 firmware
Qualcomm MDM9150
Qualcomm qca6174a firmware
Qualcomm qca6174a
qualcomm qca6391 firmware
qualcomm qca6391
Qualcomm qca6564a firmware
Qualcomm qca6564a
qualcomm qca6564au firmware
qualcomm qca6564au
qualcomm qca6574 firmware
qualcomm qca6574
qualcomm qca6574a firmware
qualcomm qca6574a
qualcomm qca6574au firmware
qualcomm qca6574au
qualcomm QCA6584AU firmware
qualcomm QCA6584AU
qualcomm qca6595 firmware
qualcomm qca6595
qualcomm qca6595au firmware
qualcomm qca6595au
qualcomm qca6696 firmware
qualcomm qca6696
Qualcomm qca9377 firmware
Qualcomm qca9377
Qualcomm qcm6490 firmware
Qualcomm qcm6490
Qualcomm QCS405 Firmware
Qualcomm QCS405 Firmware
qualcomm qcs410 firmware
qualcomm qcs410
qualcomm qcs610 firmware
qualcomm qcs610
Qualcomm qcs6490 firmware
Qualcomm qcs6490
qualcomm qcx315 firmware
qualcomm qcx315
Qualcomm sa415m firmware
Qualcomm sa415m
Qualcomm sa515m firmware
Qualcomm sa515m
Qualcomm sa6145p firmware
Qualcomm sa6145p
Qualcomm sa6150p firmware
Qualcomm sa6150p
Qualcomm sa6155 firmware
Qualcomm sa6155
Qualcomm Sa6155p Firmware
qualcomm SA6155P
qualcomm sa8145p firmware
qualcomm sa8145p
Qualcomm sa8150p firmware
Qualcomm sa8150p
Qualcomm sa8155 firmware
Qualcomm sa8155
Qualcomm sa8155p firmware
Qualcomm sa8155p
Qualcomm sa8195p firmware
Qualcomm sa8195p
qualcomm SD 675 firmware
qualcomm SD 675
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm sd660 firmware
Qualcomm sd660
qualcomm sd675 firmware
qualcomm sd675
Qualcomm sd678 firmware
Qualcomm sd678
Qualcomm sd720g firmware
Qualcomm sd720g
qualcomm sd778g firmware
qualcomm sd778g
qualcomm sd780g firmware
qualcomm sd780g
Qualcomm sd888 firmware
Qualcomm sd888
qualcomm sd888 5g firmware
qualcomm sd888 5g
Qualcomm sda429w firmware
Qualcomm sda429w
Qualcomm Sdx12 Firmware
Qualcomm Sdx12
Qualcomm sdx55 firmware
Qualcomm sdx55
Qualcomm sm6250 firmware
Qualcomm sm6250
qualcomm sm7325 firmware
qualcomm sm7325
Qualcomm wcd9335 firmware
qualcomm wcd9335
qualcomm wcd9341 firmware
qualcomm wcd9341
Qualcomm wcd9360 firmware
Qualcomm wcd9360
Qualcomm wcd9370 firmware
Qualcomm wcd9370
Qualcomm wcd9375 firmware
Qualcomm wcd9375
qualcomm wcd9380 firmware
qualcomm wcd9380
qualcomm wcd9385 firmware
qualcomm wcd9385
Qualcomm wcn3610 firmware
Qualcomm wcn3610
Qualcomm Wcn3620 Firmware
Qualcomm Wcn3620
Qualcomm wcn3660b firmware
Qualcomm wcn3660b
Qualcomm wcn3680b firmware
Qualcomm wcn3680b
Qualcomm WCN3950 Firmware
qualcomm wcn3950
qualcomm wcn3980 firmware
Qualcomm Wcn3980
qualcomm wcn3988 firmware
Qualcomm WCN3988
qualcomm wcn3990 firmware
qualcomm wcn3990
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm wcn3998 firmware
Qualcomm wcn3998
Qualcomm wcn6740 firmware
qualcomm wcn6740
qualcomm wcn6750 firmware
qualcomm wcn6750
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm wcn6855 firmware
qualcomm wcn6855
Qualcomm wcn6856 firmware
qualcomm wcn6856
qualcomm wsa8810 firmware
qualcomm wsa8810
qualcomm wsa8815 firmware
qualcomm wsa8815
qualcomm wsa8830 firmware
qualcomm wsa8830
qualcomm wsa8835 firmware
qualcomm wsa8835

Remedy

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

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is CVE-2021-30316?

    CVE-2021-30316 is a vulnerability that may lead to possible out of bound memory access due to improper boundary check while creating HSYNC fence in several Qualcomm products.

  • What is the severity of CVE-2021-30316?

    The severity of CVE-2021-30316 is high with a CVSS score of 7.8.

  • Which Qualcomm products are affected by CVE-2021-30316?

    Several Qualcomm products such as Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, and Snapdragon Wearables.

  • How can I mitigate CVE-2021-30316 vulnerability?

    To mitigate CVE-2021-30316, it is recommended to apply the security patches provided by Qualcomm. For specific guidance, refer to the vendor's security bulletin.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203