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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2022-40540

High
7.8/10

Summary

Memory corruption due to buffer copy without checking the size of input while loading firmware in Linux Kernel.

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

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published