Improper Locking Affecting nbdkit-xz-filter package, versions <0:1.24.0-4.module+el8.7.0+20875+5dd40464


Severity

Recommended
low

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-ORACLE8-NBDKITXZFILTER-2859450
  • 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 nbdkit-xz-filter to version 0:1.24.0-4.module+el8.7.0+20875+5dd40464 or higher.
This issue was patched in ELSA-2022-7472.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nbdkit-xz-filter package and not the nbdkit-xz-filter 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

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