Missing Authorization Affecting kernel-bootwrapper package, versions <0:3.10.0-514.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-KERNELBOOTWRAPPER-4705803
  • published 26 Jul 2021
  • disclosed 18 Sep 2018

How to fix?

Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-514.el7 or higher.
This issue was patched in RHSA-2016:2574.

NVD Description

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

An issue was discovered in the Linux kernel before 4.8. Incorrect access checking in overlayfs mounts could be used by local attackers to modify or truncate files in the underlying filesystem.