CVE-2023-3750

Libvirt: improper locking in virstoragepoolobjlistsearch may lead to denial of service

MEDIUM
5.3
CVSS Score
Published: July 24, 2023 at 03:19 PM UTC
Updated: June 17, 2026 at 06:14 AM UTC
2 products affected across 1 vendorEnterprise LinuxLibvirt

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0:9.5.0-7.el9_3 (unaffected)
Vendor states this is fixed in 6 (unaffected)
Vendor states this is fixed in 7 (unaffected)
Vendor states this is fixed in 8 (unaffected)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-667

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