Skip to main content

Time-of-check Time-of-use (TOCTOU) Race Condition

CVE-2020-11230

Medium
6.4/10

Summary

Potential arbitrary memory corruption when the qseecom driver updates ion physical addresses in the buffer as it exposes a physical address to user land in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

  • HIGH
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • HIGH
  • 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