{"id":"CVE-2024-2496","title":"Libvirt: null pointer dereference in udevconnectlistallinterfaces()","summary":"A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInter…","severity":"medium","cvss":5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-476"],"vendor":"Red Hat","product":"libvirt","affected":["libvirt >= 9.0.0 < 9.7.0","libvirt (all versions)","libvirt","libvirt","virt:rhel/libvirt (all versions)","virt:av/libvirt (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-04-25T19:25:01.630462Z"},"published":"2024-03-18","updated":"2026-11-06","sourceUpdated":"2026-11-06T07:07:40.334Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-2496","references":[{"url":"https://access.redhat.com/errata/RHSA-2024:2236","label":"RHSA-2024:2236"},{"url":"https://access.redhat.com/security/cve/CVE-2024-2496"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2269672","label":"RHBZ#2269672"}],"tags":["cve.org"],"epss":0.00253,"epssPercentile":0.16838,"ingestedAt":"2026-11-05T21:36:00.833Z","slug":"CVE-2024-2496","body":"## Overview\n\nA NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.\n\n## Affected\n\n- `libvirt >= 9.0.0 < 9.7.0`\n- `libvirt (all versions)`\n- `libvirt`\n- `libvirt`\n- `virt:rhel/libvirt (all versions)`\n- `virt:av/libvirt (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n### Workarounds\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}