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Race Condition Affecting kernel-abi-whitelists package, versions <0:3.10.0-327.36.1.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELABIWHITELISTS-2069040
  • published 26 Jul 2021
  • disclosed 11 Jul 2016
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Introduced: 11 Jul 2016

CVE-2016-6197 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-abi-whitelists to version 0:3.10.0-327.36.1.el7 or higher.

NVD Description

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

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.

References