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

CVE-2022-25746

High
8.1/10

Summary

Memory corruption in kernel due to missing checks when updating the access rights of a memextent mapping.

  • LOW
  • LOCAL
  • HIGH
  • CHANGED
  • NONE
  • HIGH
  • LOW
  • 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