Improper Locking Affecting qemu-img package, versions <15:6.2.0-20.module+el8.7.0+20875+5dd40464.1


Severity

Recommended
low

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-ORACLE8-QEMUIMG-2859236
  • published27 May 2022
  • disclosed25 Mar 2022

Introduced: 25 Mar 2022

CVE-2022-0897  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Oracle:8 qemu-img to version 15:6.2.0-20.module+el8.7.0+20875+5dd40464.1 or higher.
This issue was patched in ELSA-2022-7472.

NVD Description

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

A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).

CVSS Scores

version 3.1