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Out-of-Bounds Affecting kernel-rt-debug-kvm package, versions <0:3.10.0-957.rt56.910.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEBUGKVM-2112636
  • published 26 Jul 2021
  • disclosed 7 Mar 2018
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Introduced: 7 Mar 2018

CVE-2018-7740 Open this link in a new tab
CWE-119 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-debug-kvm to version 0:3.10.0-957.rt56.910.el7 or higher.

NVD Description

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

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.