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Improper Initialization Affecting kernel-abi-whitelists package, versions <0:3.10.0-693.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELABIWHITELISTS-2085162
  • published 26 Jul 2021
  • disclosed 12 May 2017
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Introduced: 12 May 2017

CVE-2017-7495 Open this link in a new tab
CWE-665 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-abi-whitelists to version 0:3.10.0-693.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/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.