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CVE-2020-29534

High
7.2/10

Summary

An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.

  • LOW
  • LOCAL
  • NONE
  • COMPLETE
  • COMPLETE
  • COMPLETE

References

Advisory Timeline

  • Published