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Integer Overflow or Wraparound Affecting kernel-bootwrapper package, versions <0:3.10.0-862.el7

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELBOOTWRAPPER-2100866
  • published26 Jul 2021
  • disclosed12 Feb 2018
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Introduced: 12 Feb 2018

CVE-2018-6927  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-862.el7 or higher.

NVD Description

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

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.