CVE-2017-17450

Public on 2018-01-18
Modified on 2018-01-18
Description
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations. This allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all network namespaces.
Severity
Low
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2018-01-18 22:45 ALAS-2018-944

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD CVSSv2 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H