CVE-2021-35121: Out-of-bounds Read
First published: Tue Jun 14 2022(Updated: )
An array index is improperly used to lock and unlock a mutex which can lead to a Use After Free condition In the Synx driver in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
Credit: product-security@qualcomm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qualcomm APQ8053 | ||
| Qualcomm APQ8053 Firmware | ||
| Qualcomm 8953Pro Firmware | ||
| Qualcomm MSM8953 Firmware | ||
| Qualcomm QCA6390 Firmware | ||
| Qualcomm QCA6390 Firmware | ||
| Qualcomm QCA6391 Firmware | ||
| Qualcomm QCA6391 Firmware | ||
| Qualcomm QCA6426 Firmware | ||
| Qualcomm QCA6426 Firmware | ||
| Qualcomm QCA6436 Firmware | ||
| Qualcomm QCA6436 Firmware | ||
| Qualcomm QCM2290 | ||
| Qualcomm QCM2290 Firmware | ||
| Qualcomm QCM4290 | ||
| Qualcomm QCM4290 Firmware | ||
| Qualcomm QCS2290 | ||
| Qualcomm QCS2290 Firmware | ||
| Qualcomm QCS4290 Firmware | ||
| Qualcomm QCS4290 Firmware | ||
| Qualcomm QRB5165N Firmware | ||
| Qualcomm QRB5165 Firmware | ||
| Qualcomm QRB5165M Firmware | ||
| Qualcomm QRB5165M Firmware | ||
| Qualcomm QRB5165N Firmware | ||
| qualcomm qrb5165n firmware | ||
| Qualcomm SD460 Firmware | ||
| Qualcomm SD460 Firmware | ||
| Qualcomm SD662 Firmware | ||
| Qualcomm SD662 Firmware | ||
| Qualcomm SD680 Firmware | ||
| Qualcomm SD680 Firmware | ||
| 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 865 5G Firmware | ||
| Qualcomm Snapdragon 865 5G Firmware | ||
| Qualcomm SD870 | ||
| Qualcomm Snapdragon 870 | ||
| Qualcomm SDX55M Firmware | ||
| Qualcomm SDX55M Firmware | ||
| Qualcomm SDXR2 5G Firmware | ||
| Qualcomm SDXR2 5G Firmware | ||
| Qualcomm SM7250 Firmware | ||
| Qualcomm SM7250 | ||
| Qualcomm WCD9326 | ||
| Qualcomm WCD9326 Firmware | ||
| Qualcomm WCD9370 Firmware | ||
| Qualcomm WCD9370 Firmware | ||
| Qualcomm WCD9375 | ||
| Qualcomm WCD9375 Firmware | ||
| Qualcomm WCD9380 | ||
| Qualcomm WCD9380 Firmware | ||
| Qualcomm WCD9385 | ||
| Qualcomm WCD9385 Firmware | ||
| Qualcomm WCN3615 Firmware | ||
| Qualcomm WCN3615 Firmware | ||
| Qualcomm WCN3680B Firmware | ||
| Qualcomm WCN3680B 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 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 |
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Frequently Asked Questions
What is the severity of CVE-2021-35121?
CVE-2021-35121 is categorized as a high severity vulnerability due to its potential to cause a Use After Free condition.
How do I fix CVE-2021-35121?
To mitigate CVE-2021-35121, you should update to the latest firmware version provided by Qualcomm for the affected devices.
What devices are affected by CVE-2021-35121?
CVE-2021-35121 affects various Qualcomm firmware platforms including APQ8053, msm8953, and others listed in the advisory.
What type of vulnerability is CVE-2021-35121?
CVE-2021-35121 is classified as a Use After Free vulnerability that can lead to unauthorized code execution.
Is there a known exploitation for CVE-2021-35121?
As of now, there are no public reports confirming the active exploitation of CVE-2021-35121.
- agent/weakness
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/qualcomm
- canonical/qualcomm apq8053
- canonical/qualcomm apq8053 firmware
- canonical/qualcomm 8953pro firmware
- canonical/qualcomm msm8953 firmware
- canonical/qualcomm qca6390 firmware
- canonical/qualcomm qca6391 firmware
- canonical/qualcomm qca6426 firmware
- canonical/qualcomm qca6436 firmware
- canonical/qualcomm qcm2290
- canonical/qualcomm qcm2290 firmware
- canonical/qualcomm qcm4290
- canonical/qualcomm qcm4290 firmware
- canonical/qualcomm qcs2290
- canonical/qualcomm qcs2290 firmware
- canonical/qualcomm qcs4290 firmware
- canonical/qualcomm qrb5165n firmware
- canonical/qualcomm qrb5165 firmware
- canonical/qualcomm qrb5165m firmware
- canonical/qualcomm sd460 firmware
- canonical/qualcomm sd662 firmware
- canonical/qualcomm sd680 firmware
- canonical/qualcomm snapdragon 690 5g firmware
- canonical/qualcomm sd750g firmware
- canonical/qualcomm snapdragon 750g
- canonical/qualcomm sd765 firmware
- canonical/qualcomm snapdragon 765
- canonical/qualcomm snapdragon 765g
- canonical/qualcomm sd768 firmware
- canonical/qualcomm sd768g firmware
- canonical/qualcomm snapdragon 865 5g firmware
- canonical/qualcomm sd870
- canonical/qualcomm snapdragon 870
- canonical/qualcomm sdx55m firmware
- canonical/qualcomm sdxr2 5g firmware
- canonical/qualcomm sm7250 firmware
- canonical/qualcomm sm7250
- canonical/qualcomm wcd9326
- canonical/qualcomm wcd9326 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 wcn3615 firmware
- canonical/qualcomm wcn3680b firmware
- canonical/qualcomm wcn3910 firmware
- canonical/qualcomm wcn3950 firmware
- canonical/qualcomm wcn3988 firmware
- canonical/qualcomm wcn3991 firmware
- canonical/qualcomm wcn3998 firmware
- canonical/qualcomm wcn6850 firmware
- canonical/qualcomm wcn6851 firmware
- canonical/qualcomm wsa8810
- canonical/qualcomm wsa8810 firmware
- canonical/qualcomm wsa8815 firmware
- canonical/qualcomm wsa8830
- canonical/qualcomm wsa8835
- canonical/qualcomm wsa8835 firmware