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Missing Release of Resource after Effective Lifetime Affecting device-mapper-libs package, versions *

0.0
low

Snyk CVSS

    Attack Complexity Low
    Privileges Required High

    Threat Intelligence

    EPSS 0.04% (12th percentile)
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NVD
2.3 low
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Red Hat
2.3 low

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  • Snyk ID SNYK-CENTOS7-DEVICEMAPPERLIBS-2014867
  • published 26 Jul 2021
  • disclosed 5 Feb 2020
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Introduced: 5 Feb 2020

CVE-2020-8991 Open this link in a new tab
CWE-772 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 device-mapper-libs.

NVD Description

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

vg_lookup in daemons/lvmetad/lvmetad-core.c in LVM2 2.02 mismanages memory, leading to an lvmetad memory leak, as demonstrated by running pvs. NOTE: RedHat disputes CVE-2020-8991 as not being a vulnerability since there’s no apparent route to either privilege escalation or to denial of service through the bug