What’s Vulnerable › Vulnerabilities

CVE-2023-2700

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-15 · updated 2026-06-17
• Weakness: CWE-401

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.

Affected products

• Fedoraproject Fedora: 38
• Red Hat Enterprise Linux: 8.0, 9.0
• libvirt: 4.5.0

References

• https://access.redhat.com/security/cve/CVE-2023-2700
• https://bugzilla.redhat.com/show_bug.cgi?id=2203653
• https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/
• https://security.netapp.com/advisory/ntap-20230706-0001/
• https://access.redhat.com/security/cve/CVE-2023-2700
• https://bugzilla.redhat.com/show_bug.cgi?id=2203653
• https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/
• https://security.netapp.com/advisory/ntap-20230706-0001/

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