Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-abi-whitelists package, versions <0:3.10.0-514.el7


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELABIWHITELISTS-2070227
  • published 26 Jul 2021
  • disclosed 28 Jul 2016

How to fix?

Upgrade Centos:7 kernel-abi-whitelists to version 0:3.10.0-514.el7 or higher.

NVD Description

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

arch/powerpc/kvm/book3s_hv_rmhandlers.S in the Linux kernel through 4.7 on PowerPC platforms, when CONFIG_KVM_BOOK3S_64_HV is enabled, allows guest OS users to cause a denial of service (host OS infinite loop) by making a H_CEDE hypercall during the existence of a suspended transaction.