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Improper Cleanup on Thrown Exception Affecting kernel-rt-debug package, versions <0:3.10.0-862.rt56.804.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEBUG-2098571
  • published 26 Jul 2021
  • disclosed 8 Dec 2017
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Introduced: 8 Dec 2017

CVE-2017-15127 Open this link in a new tab
CWE-460 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-debug to version 0:3.10.0-862.rt56.804.el7 or higher.

NVD Description

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

A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).