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CVE Vulnerabilities

CVE-2023-3750

Improper Locking

Published: Jul 24, 2023 | Modified: Nov 21, 2024
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-3750
CWEhttps://cwe.mitre.org/data/definitions/667.html

A flaw was found in libvirt. The virStoragePoolObjListSearch function does not return a locked pool as expected, resulting in a race condition and denial of service when attempting to lock the same object from another thread. This issue could allow clients connecting to the read-only socket to crash the libvirt daemon.

Weakness

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

Affected Software

NameVendorStart VersionEnd Version
LibvirtRedhat- (including)- (including)
Enterprise_linuxRedhat9.0 (including)9.0 (including)
Red Hat Enterprise Linux 9RedHatlibvirt-0:9.5.0-7.el9_3*
LibvirtUbuntubionic*
LibvirtUbuntudevel*
LibvirtUbuntukinetic*
LibvirtUbuntulunar*
LibvirtUbuntutrusty*
LibvirtUbuntuxenial*

Extended Description

Locking is a type of synchronization behavior that ensures that multiple independently-operating processes or threads do not interfere with each other when accessing the same resource. All processes/threads are expected to follow the same steps for locking. If these steps are not followed precisely - or if no locking is done at all - then another process/thread could modify the shared resource in a way that is not visible or predictable to the original process. This can lead to data or memory corruption, denial of service, etc.

Potential Mitigations

References

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