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CVE-2021-35121

MEDIUMCVSS 6.7/10EPSS 0.15%

Last modified

CVE-2021-35121 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.15%

4.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
QualcommApq8053 FirmwareAll versions
QualcommMsm8953 FirmwareAll versions
QualcommQca6390 FirmwareAll versions
QualcommQca6391 FirmwareAll versions
QualcommQca6426 FirmwareAll versions
QualcommQca6436 FirmwareAll versions
QualcommQcm2290 FirmwareAll versions
QualcommQcm4290 FirmwareAll versions
QualcommQcs2290 FirmwareAll versions
QualcommQcs4290 FirmwareAll versions
QualcommQrb5165 FirmwareAll versions
QualcommQrb5165m FirmwareAll versions
QualcommQrb5165n FirmwareAll versions
QualcommSd460 FirmwareAll versions
QualcommSd662 FirmwareAll versions
QualcommSd680 FirmwareAll versions
QualcommSd690 5g FirmwareAll versions
QualcommSd750g FirmwareAll versions
QualcommSd765 FirmwareAll versions
QualcommSd765g FirmwareAll versions
QualcommSd768g FirmwareAll versions
QualcommSd865 5g FirmwareAll versions
QualcommSd870 FirmwareAll versions
QualcommSdx55m FirmwareAll versions
QualcommSdxr2 5g FirmwareAll versions
QualcommSm7250p FirmwareAll versions
QualcommWcd9326 FirmwareAll versions
QualcommWcd9370 FirmwareAll versions
QualcommWcd9375 FirmwareAll versions
QualcommWcd9380 FirmwareAll versions
QualcommWcd9385 FirmwareAll versions
QualcommWcn3615 FirmwareAll versions
QualcommWcn3680b FirmwareAll versions
QualcommWcn3910 FirmwareAll versions
QualcommWcn3950 FirmwareAll versions
QualcommWcn3988 FirmwareAll versions
QualcommWcn3991 FirmwareAll versions
QualcommWcn3998 FirmwareAll versions
QualcommWcn6850 FirmwareAll versions
QualcommWcn6851 FirmwareAll versions
QualcommWsa8810 FirmwareAll versions
QualcommWsa8815 FirmwareAll versions
QualcommWsa8830 FirmwareAll versions
QualcommWsa8835 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-35121?
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
How severe is CVE-2021-35121?
CVE-2021-35121 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35121?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST