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Information Exposure Affecting kernel-uek-doc package, versions <0:4.1.12-124.15.1.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDOC-2530871
  • published10 Apr 2022
  • disclosed7 Dec 2017
Report a new vulnerability Found a mistake?

Introduced: 7 Dec 2017

CVE-2017-17449  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-doc to version 0:4.1.12-124.15.1.el7uek or higher.
This issue was patched in ELSA-2018-4108.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-doc package and not the kernel-uek-doc package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

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.

References