NULL pointer dereference in libvirt - CVE-2024-8235

 

NULL pointer dereference in libvirt - CVE-2024-8235

Published: November 12, 2024


Vulnerability identifier: #VU100250
CSH Severity: Low
CVSS v4.0: 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-2024-8235
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: libvirt.org
Affected software:
libvirt

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in interface/interface_backend_udev.c when virConnectListInterfaces() is called requesting 0 netowrks to be filled. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2024-8235

Install updates from vendor's website.

Sources