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Incomplete Cleanup

CVE-2019-5595

Medium
5.5/10

Summary

In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.

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

CWE-459 - Incomplete Cleanup

The software does not properly "clean up" and remove temporary or supporting resources after they have been used.

References

Advisory Timeline

  • Published