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CVE-2017-5551

nvd nist
Published: Feb 6, 2017Modified: May 13, 2026

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4.4
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Exploitability: 1.8 / Impact: 2.5
Source: NVD

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.

Affected (1)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Up to 4.9.5

References (16)

Source: cve@mitre.org
Issue TrackingPatchThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Mailing ListPatchThird Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Source: cve@mitre.org
Issue TrackingPatch
Source: cve@mitre.org
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory

Timeline

No history available yet.