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Missing Release of Resource after Effective Lifetime Affecting kernel-debug-devel package, versions <0:3.10.0-693.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELDEBUGDEVEL-2085015
  • published 26 Jul 2021
  • disclosed 24 Jan 2017
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Introduced: 24 Jan 2017

CVE-2017-2596 Open this link in a new tab
CWE-772 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-debug-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-debug-devel package and not the kernel-debug-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.