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Race Condition Affecting kernel-devel package, versions <0:3.10.0-693.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.14% (52nd percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELDEVEL-2083476
  • published 26 Jul 2021
  • disclosed 31 Mar 2016
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Introduced: 31 Mar 2016

CVE-2015-8839 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

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

NVD Description

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

Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.

CVSS Scores

version 3.1
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NVD

5.1 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

5.5 medium