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LIN9-6020 : Security Advisory - linux - CVE-2017-17449

Created: Dec 14, 2017    Updated: Dec 3, 2018
Resolved Date: Jan 16, 2018
Found In Version: 9.0.0.13
Fix Version: 9.0.0.14
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Kernel

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.

https://nvd.nist.gov/vuln/detail/CVE-2017-17449

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