The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not restrict observations of Netlink messages to a single net namespace, which allows local users to obtain sensitive information by leveraging the CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink activity on the system.
Published 2017-12-07 00:29:00
Updated 2018-05-31 01:29:01
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Information leak

Products affected by CVE-2017-17449

Exploit prediction scoring system (EPSS) score for CVE-2017-17449

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-17449

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
1.9
LOW AV:L/AC:M/Au:N/C:P/I:N/A:N
3.4
2.9
NIST
4.7
MEDIUM CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
1.0
3.6
NIST

CWE ids for CVE-2017-17449

References for CVE-2017-17449

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