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Home » CVE Vulnerabilities » CVE-2017-5551

CVE-2017-5551 The simple_set_acl function in fs/posix_acl.c in

  • CVE ID: CVE-2017-5551
  • Vendors: Linux
  • Date: February 06, 2017
  • Severity: Low
  • Impact score: 4.90
  • Exploit score: 3.90

The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-7097.

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