CVE-2021-1921: Race Condition
First published: Mon Nov 01 2021(Updated: )
Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile
Credit: product-security@qualcomm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Qualcomm AQT1000 Firmware | ||
| Qualcomm AQT1000 Firmware | ||
| Qualcomm QCA6390 Firmware | ||
| Qualcomm QCA6390 Firmware | ||
| Qualcomm QCA6391 Firmware | ||
| Qualcomm QCA6391 Firmware | ||
| Qualcomm QCA6420 Firmware | ||
| Qualcomm QCA6420 Firmware | ||
| qualcomm qca6421 firmware | ||
| qualcomm qca6421 firmware | ||
| Qualcomm QCA6426 Firmware | ||
| Qualcomm QCA6426 Firmware | ||
| Qualcomm QCA6430 firmware | ||
| Qualcomm QCA6430 firmware | ||
| Qualcomm QCA6431 Firmware | ||
| Qualcomm QCA6431 | ||
| Qualcomm QCA6436 Firmware | ||
| Qualcomm QCA6436 Firmware | ||
| Qualcomm QCA6574 Firmware | ||
| Qualcomm QCA6574AU | ||
| Qualcomm QCA6595AU Firmware | ||
| Qualcomm QCA6595AU Firmware | ||
| Qualcomm QCM6490 | ||
| Qualcomm QCM6490 Firmware | ||
| Qualcomm QCS6490 Firmware | ||
| Qualcomm QCS6490 Firmware | ||
| Qualcomm QRB5165 Firmware | ||
| Qualcomm QRB5165 Firmware | ||
| Qualcomm QRB5165 Firmware | ||
| qualcomm qrb5165n firmware | ||
| Qualcomm SM8350 Firmware | ||
| Qualcomm QSM8350 Firmware | ||
| Qualcomm SA6155 | ||
| Qualcomm SA6155P | ||
| Qualcomm SA8195P | ||
| Qualcomm SA8195P Firmware | ||
| qualcomm sd 8c firmware | ||
| Qualcomm Snapdragon 8c | ||
| Qualcomm SD 8cx firmware | ||
| Qualcomm Snapdragon 8cx | ||
| Qualcomm SD 675 Firmware | ||
| Qualcomm Snapdragon 675 | ||
| Qualcomm SD778G Firmware | ||
| Qualcomm SD778G | ||
| Qualcomm Snapdragon 780G Firmware | ||
| Qualcomm Snapdragon 780G | ||
| Qualcomm Snapdragon 855 | ||
| Qualcomm Snapdragon 855 | ||
| Qualcomm Snapdragon 865 5G Firmware | ||
| Qualcomm Snapdragon 865 5G Firmware | ||
| Qualcomm SD870 | ||
| Qualcomm SD870 Firmware | ||
| Qualcomm Snapdragon 888 5G Firmware | ||
| Qualcomm Snapdragon 888 5G | ||
| Qualcomm SDM830 Firmware | ||
| Qualcomm Snapdragon 830 | ||
| Qualcomm SDX24 | ||
| Qualcomm SDX24 | ||
| Qualcomm SDX55M Firmware | ||
| Qualcomm SDX55 Firmware | ||
| Qualcomm SDX55M Firmware | ||
| Qualcomm SDX55M Firmware | ||
| Qualcomm SDXR2 5G Firmware | ||
| Qualcomm SDXR2 5G Firmware | ||
| Qualcomm SM7325 Firmware | ||
| Qualcomm SM7325 Firmware | ||
| Qualcomm WCD9340 Firmware | ||
| Qualcomm WCD9340 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 WCN3990 | ||
| Qualcomm WCN3990 | ||
| 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 WCN7850 Firmware | ||
| Qualcomm WCN7850 Firmware | ||
| Qualcomm WCN7851 | ||
| Qualcomm WCN7851 Firmware | ||
| Qualcomm WHS9410 | ||
| Qualcomm WHS9410 | ||
| Qualcomm WSA8810 | ||
| Qualcomm WSA8810 Firmware | ||
| qualcomm wsa8815 firmware | ||
| qualcomm wsa8815 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-2021-1921?
The severity of CVE-2021-1921 has been classified as critical due to the potential for memory corruption.
How do I fix CVE-2021-1921?
To fix CVE-2021-1921, apply the latest firmware updates provided by Qualcomm or vendor-specific patches to the affected devices.
Which devices are affected by CVE-2021-1921?
CVE-2021-1921 affects a variety of Qualcomm devices, including those in the Snapdragon Auto, Compute, and Mobile product lines.
What are the potential impacts of CVE-2021-1921?
The potential impacts include system crashes and exploitation risks due to improper memory handling.
Is CVE-2021-1921 still vulnerable if I have updated my device?
If you have updated your device with the latest security patches, it is no longer vulnerable to CVE-2021-1921.
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- agent/first-publish-date
- agent/references
- agent/author
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/event
- agent/last-modified-date
- agent/source
- collector/android-source
- source/Android
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- vendor/google
- canonical/android
- vendor/qualcomm
- canonical/qualcomm aqt1000 firmware
- canonical/qualcomm qca6390 firmware
- canonical/qualcomm qca6391 firmware
- canonical/qualcomm qca6420 firmware
- canonical/qualcomm qca6421 firmware
- canonical/qualcomm qca6426 firmware
- canonical/qualcomm qca6430 firmware
- canonical/qualcomm qca6431 firmware
- canonical/qualcomm qca6431
- canonical/qualcomm qca6436 firmware
- canonical/qualcomm qca6574 firmware
- canonical/qualcomm qca6574au
- canonical/qualcomm qca6595au firmware
- canonical/qualcomm qcm6490
- canonical/qualcomm qcm6490 firmware
- canonical/qualcomm qcs6490 firmware
- canonical/qualcomm qrb5165 firmware
- canonical/qualcomm qrb5165n firmware
- canonical/qualcomm sm8350 firmware
- canonical/qualcomm qsm8350 firmware
- canonical/qualcomm sa6155
- canonical/qualcomm sa6155p
- canonical/qualcomm sa8195p
- canonical/qualcomm sa8195p firmware
- canonical/qualcomm sd 8c firmware
- canonical/qualcomm snapdragon 8c
- canonical/qualcomm sd 8cx firmware
- canonical/qualcomm snapdragon 8cx
- canonical/qualcomm sd 675 firmware
- canonical/qualcomm snapdragon 675
- canonical/qualcomm sd778g firmware
- canonical/qualcomm sd778g
- canonical/qualcomm snapdragon 780g firmware
- canonical/qualcomm snapdragon 780g
- canonical/qualcomm snapdragon 855
- canonical/qualcomm snapdragon 865 5g firmware
- canonical/qualcomm sd870
- canonical/qualcomm sd870 firmware
- canonical/qualcomm snapdragon 888 5g firmware
- canonical/qualcomm snapdragon 888 5g
- canonical/qualcomm sdm830 firmware
- canonical/qualcomm snapdragon 830
- canonical/qualcomm sdx24
- canonical/qualcomm sdx55m firmware
- canonical/qualcomm sdx55 firmware
- canonical/qualcomm sdxr2 5g firmware
- canonical/qualcomm sm7325 firmware
- canonical/qualcomm wcd9340 firmware
- canonical/qualcomm wcd9341
- canonical/qualcomm wcd9341 firmware
- canonical/qualcomm wcd9360 firmware
- canonical/qualcomm wcd9370 firmware
- canonical/qualcomm wcd9375
- canonical/qualcomm wcd9375 firmware
- canonical/qualcomm wcd9380
- canonical/qualcomm wcd9380 firmware
- canonical/qualcomm wcd9385
- canonical/qualcomm wcd9385 firmware
- canonical/qualcomm wcn3950 firmware
- canonical/qualcomm wcn3980
- canonical/qualcomm wcn3980 firmware
- canonical/qualcomm wcn3990
- canonical/qualcomm wcn3998 firmware
- canonical/qualcomm wcn6740 firmware
- canonical/qualcomm wcn6750 firmware
- canonical/qualcomm wcn6850 firmware
- canonical/qualcomm wcn6851 firmware
- canonical/qualcomm wcn6855 firmware
- canonical/qualcomm wcn6856 firmware
- canonical/qualcomm wcn6856
- canonical/qualcomm wcn7850 firmware
- canonical/qualcomm wcn7851
- canonical/qualcomm wcn7851 firmware
- canonical/qualcomm whs9410
- canonical/qualcomm wsa8810
- canonical/qualcomm wsa8810 firmware
- canonical/qualcomm wsa8815 firmware
- canonical/qualcomm wsa8830
- canonical/qualcomm wsa8835
- canonical/qualcomm wsa8835 firmware