CVE-2023-2700

MEDIUM

libvirt - Use-After-Free in SR-IOV PCI Device Capability Query

Title source: llm

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.

References (5)

Core 5

Core References

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2023-2700

Issue Tracking, Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2203653

Patch

https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306

View Patch ZIP pw:eip

Vendor Advisory

https://security.netapp.com/advisory/ntap-20230706-0001/

Mailing List, Third Party Advisory vendor-advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/

Scores

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 10.3%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-401

Status published

Products (4)

fedoraproject/fedora 38

redhat/enterprise_linux 8.0

redhat/enterprise_linux 9.0

redhat/libvirt 4.5.0

Published May 15, 2023

Tracked Since Feb 18, 2026