CVE-2017-5551

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…

published February 6, 2017

CVSS
—
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00420 · 34.9th percentile
Published
2017-02-06T06:04Z
EPSS history
Timeline
  • 06 FEB 06:04Z
    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…
    cvelistv5