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Use After Free

CVE-2023-33200

Severity Medium
Score 4.7/10

Summary

A local non-privileged user can make improper GPU processing operations to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory.

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

CWE-416 - Use After Free

Use-after-free (UaF) vulnerability occurs when the application is using a pointer to memory that has been freed. Any attempt to read/write to a buffer after it is de-allocated allows memory corruption, sensitive information exposure, and can potentially lead to arbitrary code execution.

References

Advisory Timeline

  • Published