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Improper Authentication Affecting kernel-bootwrapper package, versions <0:3.10.0-693.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELBOOTWRAPPER-2084709
  • published 26 Jul 2021
  • disclosed 26 May 2016
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Introduced: 26 May 2016

CVE-2016-7097 Open this link in a new tab
CWE-287 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-693.el7 or higher.

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 Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.

References