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Improper Initialization Affecting kernel-rt-debug package, versions <0:3.10.0-693.rt56.617.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-KERNELRTDEBUG-4700967
  • 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 RHEL:7 kernel-rt-debug to version 0:3.10.0-693.rt56.617.el7 or higher.
This issue was patched in RHSA-2017:2077.

NVD Description

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