Improper Locking Affecting libvirt-daemon-driver-storage-logical package, versions <7.1.0-150300.6.29.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-SLES153-LIBVIRTDAEMONDRIVERSTORAGELOGICAL-2808930
  • published6 May 2022
  • disclosed5 May 2022

Introduced: 5 May 2022

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

How to fix?

Upgrade SLES:15.3 libvirt-daemon-driver-storage-logical to version 7.1.0-150300.6.29.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-storage-logical package and not the libvirt-daemon-driver-storage-logical package as distributed by SLES. See How to fix? for SLES:15.3 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