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Vulnerability record · CVE-2023-2700 · published 15 May 2023

CVE-2023-2700: Redhat libvirt memory leak vulnerability

Redhat · Libvirt

A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup.

5.5 CVSS 3.1 Medium EPSS 0.25% · top 84.8% CWE-401 · Memory leak
5.5CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2023-2700 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2203653 Issue TrackingVendor Advisory
https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e732 Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLT
https://security.netapp.com/advisory/ntap-20230706-0001/
https://access.redhat.com/security/cve/CVE-2023-2700 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2203653 Issue TrackingVendor Advisory
https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e732 Patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLT
https://security.netapp.com/advisory/ntap-20230706-0001/

Track CVE-2023-2700 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2023-2700), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.