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

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELDOC-5118639
  • published 26 Jul 2021
  • disclosed 24 Jan 2017
Report a new vulnerability Found a mistake?

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 RHEL:7 kernel-doc to version 0:3.10.0-693.el7 or higher.
This issue was patched in RHSA-2017:1842.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL. See How to fix? for RHEL: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.