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

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-KERNEL-4762063
  • 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 RHEL:7 kernel to version 0:3.10.0-862.el7 or higher.
This issue was patched in RHSA-2018:1062.

NVD Description

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