NULL pointer dereference in libvirt - CVE-2024-2496

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Main Vulnerability Database Vulnerabilities #VU88535

NULL pointer dereference in libvirt - CVE-2024-2496

Published: April 15, 2024


Vulnerability identifier: #VU88535
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-2024-2496
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 within the udevConnectListAllInterfaces() function. A local user can trigger a NULL pointer dereference error when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API.


How to mitigate CVE-2024-2496

Install update from vendor's website.

Sources