Race Condition Affecting kernel-tools package, versions <0:3.10.0-229.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (10th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELTOOLS-4523877
  • published26 Jul 2021
  • disclosed9 Oct 2014

Introduced: 9 Oct 2014

CVE-2014-8086  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade RHEL:7 kernel-tools to version 0:3.10.0-229.el7 or higher.
This issue was patched in RHSA-2015:0290.

NVD Description

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

Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

CVSS Base Scores

version 3.1