Security Advisory

CVE-2017-5551

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2017-02-06 06:04:00

Last updated 2024-08-05 15:04:15

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

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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