Medium severity · published May 15, 2023
CVE-2023-2700
A vulnerability was found in libvirt
5.5
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
LI
Libvirt · Redhat
4.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2700
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2700
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-2700
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2203653
Patch
https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EVK6JKP36CHE7YAFDJNPNLTW4OWJJ7TQ/
security.netapp.com
https://security.netapp.com/advisory/ntap-20230706-0001/
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