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Oracle Linux: CVE-2017-17449: ELSA-2018-1062: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2017-17449: ELSA-2018-1062: kernel security, bug fix, and enhancement update (IMPORTANT) (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
12/05/2017
Created
07/25/2018
Added
04/19/2018
Modified
08/06/2024

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.

Solution(s)

  • oracle-linux-upgrade-kernel

References

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