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Improper Authentication Affecting kernel-rt package, versions <0:3.10.0-693.21.1.rt56.639.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRT-4832485
  • published 26 Jul 2021
  • disclosed 18 Sep 2017
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Introduced: 18 Sep 2017

CVE-2017-18270 Open this link in a new tab
CWE-287 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt to version 0:3.10.0-693.21.1.rt56.639.el7 or higher.
This issue was patched in RHSA-2018:0412.

NVD Description

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

In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.