CVE-2023-2700
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 15 May 2023, 00:00
Last modified:28 Jan 2025, 16:26
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
15 May 2023, 00:00
Published
Vulnerability first disclosed
28 Jan 2025, 16:26
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.04%• Percentile: 13%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- fedoraproject•fedora
38
- redhat•enterprise_linux
8.0 | 9.0
- redhat•libvirt
4.5.0
References (5)
- 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://security.netapp.com/advisory/ntap-20230706-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/