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CVE

CVE-2023-2700

A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capab

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.

MEDIUM · CVSS 5.5 EPSS 0.00041
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

3
redhat libvirtall versions
fedoraproject fedoraall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 May 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:14490-1
msrcCVE-2023-2700
suse-csafSUSE-SU-2023:2652-1
suse-csafSUSE-SU-2023:2356-1
usnUSN-6126-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-2700Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2203653Issue TrackingVendor Advisory
https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306Patch
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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