Missing Release of Resource after Effective Lifetime Affecting kernel-rt package, versions <0:3.10.0-693.rt56.617.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS7-KERNELRT-2088343
- published26 Jul 2021
- disclosed24 Jan 2017
Introduced: 24 Jan 2017
CVE-2017-2596 (opens in a new tab)How to fix?
Upgrade Centos:7 kernel-rt to version 0:3.10.0-693.rt56.617.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt package and not the kernel-rt 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.