CVEvulnerability

CVE-2017-17449

4.7 MEDIUM Published 2017-12-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-12-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
4.7 MEDIUM — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
1.9 LOW — AV:L/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

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.

Affected configurations

• linux linux kernel (<= 4.14.4)

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References