Improper Locking Affecting python3-hivex package, versions <0:1.3.18-21.module+el8.5.0+10709+b3edb581


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.28% (68th percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3HIVEX-2134105
  • published28 Jul 2021
  • disclosed21 Jul 2021

Introduced: 21 Jul 2021

CVE-2021-3667  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-hivex to version 0:1.3.18-21.module+el8.5.0+10709+b3edb581 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-hivex package and not the python3-hivex package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An improper locking issue was found in the virStoragePoolLookupByTargetPath API of libvirt. It occurs in the storagePoolLookupByTargetPath function where a locked virStoragePoolObj object is not properly released on ACL permission failure. Clients connecting to the read-write socket with limited ACL permissions could use this flaw to acquire the lock and prevent other users from accessing storage pool/volume APIs, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1