Improper Locking Affecting ocaml-libnbd-devel package, versions <0:1.2.2-1.module+el8.3.0+7860+a7792d29


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.23% (62nd percentile)

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  • Snyk ID SNYK-ORACLE8-OCAMLLIBNBDDEVEL-2594308
  • published 10 Apr 2022
  • disclosed 2 Mar 2022

How to fix?

Upgrade Oracle:8 ocaml-libnbd-devel to version 0:1.2.2-1.module+el8.3.0+7860+a7792d29 or higher.
This issue was patched in ELSA-2021-4191.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ocaml-libnbd-devel package and not the ocaml-libnbd-devel package as distributed by Oracle. See How to fix? for Oracle: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
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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SUSE

6.5 medium
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Red Hat

6.5 medium