vulnerability

Oracle Linux: CVE-2017-17449: ELSA-2018-4108: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:P/I:N/A:N)
Published
2017-12-05
Added
2018-04-19
Modified
2025-01-23

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.
The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the Linux kernel, through 4.14.4, does not restrict observations of Netlink messages to a single net namespace, when CONFIG_NLMON is enabled. This 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.

Solution(s)

oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek
Title
NEW

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