Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2021-35090
Summary
Possible hypervisor memory corruption due to TOC TOU race condition when updating address mappings in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile
- HIGH
- LOCAL
- HIGH
- CHANGED
- NONE
- LOW
- HIGH
- HIGH
CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
The software checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the software to perform invalid actions when the resource is in an unexpected state.
References
Advisory Timeline
- Published