#VU76721 Memory leak in libvirt - CVE-2023-2700 

 

#VU76721 Memory leak in libvirt - CVE-2023-2700

Published: May 31, 2023


Vulnerability identifier: #VU76721
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-2700
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
libvirt
Software vendor:
libvirt.org

Description

The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak within the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup. A local user can repeatedly query an SR-IOV PCI device's capabilities to cause memory leak and perform denial of service attack.


Remediation

Install updates from vendor's website.

External links